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Article ; Online: Rapid formation of supermassive black hole binaries in galaxy mergers with gas.

Mayer, L / Kazantzidis, S / Madau, P / Colpi, M / Quinn, T / Wadsley, J

2007 Volume 316, Issue 5833, Page(s) 1874–1877

Abstract: Supermassive black holes (SMBHs) are a ubiquitous component of the nuclei of galaxies. It is normally assumed that after the merger of two massive galaxies, a SMBH binary will form, shrink because of stellar or gas dynamical processes, and ultimately ... ...

Abstract	Supermassive black holes (SMBHs) are a ubiquitous component of the nuclei of galaxies. It is normally assumed that after the merger of two massive galaxies, a SMBH binary will form, shrink because of stellar or gas dynamical processes, and ultimately coalesce by emitting a burst of gravitational waves. However, so far it has not been possible to show how two SMBHs bind during a galaxy merger with gas because of the difficulty of modeling a wide range of spatial scales. Here we report hydrodynamical simulations that track the formation of a SMBH binary down to scales of a few light years after the collision between two spiral galaxies. A massive, turbulent, nuclear gaseous disk arises as a result of the galaxy merger. The black holes form an eccentric binary in the disk in less than 1 million years as a result of the gravitational drag from the gas rather than from the stars.
Language	English
Publishing date	2007-06-29
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	128410-1
ISSN	1095-9203 ; 0036-8075
ISSN (online)	1095-9203
ISSN	0036-8075
DOI	10.1126/science.1141858
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Article ; Online: Compact radio emission indicates a structured jet was produced by a binary neutron star merger.

Ghirlanda, G / Salafia, O S / Paragi, Z / Giroletti, M / Yang, J / Marcote, B / Blanchard, J / Agudo, I / An, T / Bernardini, M G / Beswick, R / Branchesi, M / Campana, S / Casadio, C / Chassande-Mottin, E / Colpi, M / Covino, S / D'Avanzo, P / D'Elia, V /

Frey, S / Gawronski, M / Ghisellini, G / Gurvits, L I / Jonker, P G / van Langevelde, H J / Melandri, A / Moldon, J / Nava, L / Perego, A / Perez-Torres, M A / Reynolds, C / Salvaterra, R / Tagliaferri, G / Venturi, T / Vergani, S D / Zhang, M

Science (New York, N.Y.)

2019 Volume 363, Issue 6430, Page(s) 968–971

Abstract: The binary neutron star merger event GW170817 was detected through both electromagnetic radiation and gravitational waves. Its afterglow emission may have been produced by either a narrow relativistic jet or an isotropic outflow. High-spatial-resolution ... ...

Abstract	The binary neutron star merger event GW170817 was detected through both electromagnetic radiation and gravitational waves. Its afterglow emission may have been produced by either a narrow relativistic jet or an isotropic outflow. High-spatial-resolution measurements of the source size and displacement can discriminate between these scenarios. We present very-long-baseline interferometry observations, performed 207.4 days after the merger by using a global network of 32 radio telescopes. The apparent source size is constrained to be smaller than 2.5 milli-arc seconds at the 90% confidence level. This excludes the isotropic outflow scenario, which would have produced a larger apparent size, indicating that GW170817 produced a structured relativistic jet. Our rate calculations show that at least 10% of neutron star mergers produce such a jet.
Language	English
Publishing date	2019-02-21
Publishing country	United States
Document type	Journal Article
ZDB-ID	128410-1
ISSN	1095-9203 ; 0036-8075
ISSN (online)	1095-9203
ISSN	0036-8075
DOI	10.1126/science.aau8815
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Article: Period Clustering of the Anomalous X-Ray Pulsars and Magnetic Field Decay in Magnetars.

Colpi / Geppert / Page

The Astrophysical journal

2000 Volume 529, Issue 1, Page(s) L29–L32

Abstract: We confront theoretical models for the rotational, magnetic, and thermal evolution of an ultramagnetized neutron star, or magnetar, with available data on the anomalous X-ray pulsars (AXPs). We argue that, if the AXPs are interpreted as magnetars, their ... ...

Abstract	We confront theoretical models for the rotational, magnetic, and thermal evolution of an ultramagnetized neutron star, or magnetar, with available data on the anomalous X-ray pulsars (AXPs). We argue that, if the AXPs are interpreted as magnetars, their clustering of spin periods between 6 and 12 s (observed at present in this class of objects), their period derivatives, their thermal X-ray luminosities, and the association of two of them with young supernova remnants can only be understood globally if the magnetic field in magnetars decays significantly on a timescale of the order of 104 yr.
Language	English
Publishing date	2000-01-20
Publishing country	United States
Document type	Journal Article
ZDB-ID	2960-9
ISSN	0004-637X
ISSN	0004-637X
DOI	10.1086/312448
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Book ; Online: Physics of Relativistic Objects in Compact Binaries: From Birth to Coalescence

Colpi, Monica / Casella, Piergiorgio / Gorini, Vittorio / Moschella, Ugo / Possenti, Andrea

(Astrophysics and Space Science Library ; 359)

2009

Abstract: This book provides a comprehensive, authoritative and timely review of the astrophysical approach to the investigation of gravity theories. Particular attention is paid to strong-field tests of general relativity and alternative theories of gravity, ... ...

Author's details	edited by Monica Colpi, Piergiorgio Casella, Vittorio Gorini, Ugo Moschella, Andrea Possenti
Series title	Astrophysics and Space Science Library ; 359
Abstract	This book provides a comprehensive, authoritative and timely review of the astrophysical approach to the investigation of gravity theories. Particular attention is paid to strong-field tests of general relativity and alternative theories of gravity, performed using collapsed objects (neutron stars, black holes and white dwarfs) in relativistic binaries as laboratories. The book starts with an introduction which gives the background linking experimental gravity in cosmic laboratories to astrophysics and fundamental physics. Subsequent chapters cover observational and theoretical aspects of the following topics: from binaries as test-beds of gravity theories to binary pulsars as cosmic laboratories, from binary star evolution to the formation of relativistic binaries, from short gamma-ray bursts to low mass X-ray binaries, from stellar-mass black hole binaries to coalescing super-massive black holes in galaxy mergers. The book will be useful to researchers, PhD and graduate students in Astrophysics, Cosmology, Physics and Mathematics who are interested in relativistic astrophysics, experimental gravity and general relativity.
Keywords	Astronomy ; Astrophysics ; Physics ; Relativity (Physics) ; Technik / Wissen Astronomie ; Technik / Wissen Physik
Language	English
Size	Online-Ressource, v.: digital
Publisher	Springer Netherlands
Publishing place	Dordrecht
Document type	Book ; Online
Note	Includes bibliographical references and index
ISBN	9781402092633 ; 9781402092640 ; 1402092636 ; 1402092644
DOI	10.1007/978-1-4020-9264-0
Database	Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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Article: Rapid Formation of Supermassive Black Hole Binaries in Galaxy Mergers with Gas

Mayer, L / Colpi, M / Kazantzidis, S / Madau, P / Quinn, T / Wadsley, J

Science. 2007 June 29, v. 316, no. 5833

2007

Abstract	Supermassive black holes (SMBHs) are a ubiquitous component of the nuclei of galaxies. It is normally assumed that after the merger of two massive galaxies, a SMBH binary will form, shrink because of stellar or gas dynamical processes, and ultimately coalesce by emitting a burst of gravitational waves. However, so far it has not been possible to show how two SMBHs bind during a galaxy merger with gas because of the difficulty of modeling a wide range of spatial scales. Here we report hydrodynamical simulations that track the formation of a SMBH binary down to scales of a few light years after the collision between two spiral galaxies. A massive, turbulent, nuclear gaseous disk arises as a result of the galaxy merger. The black holes form an eccentric binary in the disk in less than 1 million years as a result of the gravitational drag from the gas rather than from the stars.
Keywords	gases ; gravity ; models
Language	English
Dates of publication	2007-0629
Size	p. 1874-1877.
Publishing place	American Association for the Advancement of Science
Document type	Article
ZDB-ID	128410-1
ISSN	1095-9203 ; 0036-8075
ISSN (online)	1095-9203
ISSN	0036-8075
DOI	10.1126/science.1141858
Database	NAL-Catalogue (AGRICOLA)

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Article: P2 receptor web: complexity and fine-tuning.

Volonté, Cinzia / Amadio, Susanna / D'Ambrosi, Nadia / Colpi, Monica / Burnstock, Geoffrey

Pharmacology & therapeutics

2006 Volume 112, Issue 1, Page(s) 264–280

Abstract: The present review offers a new perspective on a family of receptors, termed P2 receptors, specific for nucleoside tri- and diphosphates of purines/pyrimidines. We emphasize here that while decoding the inputs of various related extracellular ligands, P2 ...

Abstract	The present review offers a new perspective on a family of receptors, termed P2 receptors, specific for nucleoside tri- and diphosphates of purines/pyrimidines. We emphasize here that while decoding the inputs of various related extracellular ligands, P2 receptors are a clear example of increasing biological complexity. They are represented by 7 ionotropic P2X and 8 metabotropic P2Y receptors; they have very heterogeneous ligands and binding characteristics, molecular properties, transduction mechanisms, cellular localization and protein-protein interactions. While the reason for this sophistication is unknown, a few compelling issues emerge while looking at such a rich variety. We ask, for instance, why so many different receptor subtypes are necessary for triggering biological properties and functions, and if these receptors are more than the sum of their single entities. A first possibility is that newly synthesized P2 proteins are casually located on the cell surface (stochastic hypothesis). Alternatively, distinct subunits are engaged on different cell phenotypes by genetic control (genetic determinism) and/or selective recruitment under physiopathological conditions and epigenetic stimuli (epigenetic determinism). Nevertheless, an appropriate way to both dissect the vast biological scenario and molecular complexity among P2 receptors and to integrate and upgrade their assortment is to regard them as a "combinatorial receptor web", that is, a dynamic architecture of P2 proteins demonstrating economic efficiency and involving a process of "fine-tuning", a mechanism which endorses the dynamic nature of all biological reactions. In the present analysis, we stimulate a scientific query about what contributes to such a vast P2 receptor sophistication.
MeSH term(s)	Animals ; Humans ; Protein Subunits ; Receptor Cross-Talk ; Receptors, Purinergic P2/chemistry ; Receptors, Purinergic P2/metabolism
Chemical Substances	Protein Subunits ; Receptors, Purinergic P2
Language	English
Publishing date	2006-10
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Review
ZDB-ID	194735-7
ISSN	1879-016X ; 0163-7258
ISSN (online)	1879-016X
ISSN	0163-7258
DOI	10.1016/j.pharmthera.2005.04.012
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Article ; Online: Boson stars: Gravitational equilibria of self-interacting scalar fields.

Colpi / Shapiro / Wasserman

Physical review letters

1986 Volume 57, Issue 20, Page(s) 2485–2488

Language	English
Publishing date	1986-11-17
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.57.2485
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Article ; Online: Frequency-Dependent Squeezed Vacuum Source for the Advanced Virgo Gravitational-Wave Detector.

Acernese, F / Agathos, M / Ain, A / Albanesi, S / Alléné, C / Allocca, A / Amato, A / Amra, C / Andia, M / Andrade, T / Andres, N / Andrés-Carcasona, M / Andrić, T / Ansoldi, S / Antier, S / Apostolatos, T / Appavuravther, E Z / Arène, M / Arnaud, N /

Assiduo, M / Melo, S Assis de Souza / Astone, P / Aubin, F / Babak, S / Badaracco, F / Bagnasco, S / Baird, J / Baka, T / Ballardin, G / Baltus, G / Banerjee, B / Barneo, P / Barone, F / Barsuglia, M / Barta, D / Basti, A / Bawaj, M / Bazzan, M / Beirnaert, F / Bejger, M / Benedetto, V / Berbel, M / Bernuzzi, S / Bersanetti, D / Bertolini, A / Bhardwaj, U / Bianchi, A / Bilicki, M / Bini, S / Bischi, M / Bitossi, M / Bizouard, M-A / Bobba, F / Boër, M / Bogaert, G / Boileau, G / Boldrini, M / Bonavena, L D / Bondarescu, R / Bondu, F / Bonnand, R / Boschi, V / Boudart, V / Bouffanais, Y / Bozzi, A / Bradaschia, C / Braglia, M / Branchesi, M / Breschi, M / Briant, T / Brillet, A / Brooks, J / Bruno, G / Bucci, F / Bulashenko, O / Bulik, T / Bulten, H J / Buscicchio, R / Buskulic, D / Buy, C / Cabras, G / Cabrita, R / Cagnoli, G / Calloni, E / Canepa, M / Santoro, G Caneva / Cannavacciuolo, M / Capocasa, E / Carapella, G / Carbognani, F / Carpinelli, M / Carullo, G / Diaz, J Casanueva / Casentini, C / Caudill, S / Cavalieri, R / Cella, G / Cerdá-Durán, P / Cesarini, E / Chaibi, W / Chanial, P / Chassande-Mottin, E / Chaty, S / Chessa, P / Chiadini, F / Chiarini, G / Chierici, R / Chincarini, A / Chiofalo, M L / Chiummo, A / Christensen, N / Chua, S / Ciani, G / Ciecielag, P / Cieślar, M / Cifaldi, M / Ciolfi, R / Clesse, S / Cleva, F / Coccia, E / Codazzo, E / Cohadon, P-F / Colombo, A / Colpi, M / Conti, L / Cordero-Carrión, I / Corezzi, S / Cortese, S / Coulon, J-P / Coupechoux, J-F / Croquette, M / Cudell, J R / Cuoco, E / Curyło, M / Dabadie, P / Canton, T Dal / Dall'Osso, S / Dálya, G / D'Angelo, B / Dangoisse, G / Danilishin, S / D'Antonio, S / Dattilo, V / Davier, M / Degallaix, J / De Laurentis, M / Deléglise, S / De Lillo, F / Dell'Aquila, D / Del Pozzo, W / De Matteis, F / Depasse, A / De Pietri, R / De Rosa, R / De Rossi, C / De Simone, R / Di Fiore, L / Di Giorgio, C / Di Giovanni, F / Di Giovanni, M / Di Girolamo, T / Diksha, D / Di Lieto, A / Di Michele, A / Ding, J / Di Pace, S / Di Palma, I / Di Renzo, F / D'Onofrio, L / Dooney, T / Dorosh, O / Drago, M / Ducoin, J-G / Dupletsa, U / Durante, O / D'Urso, D / Duverne, P-A / Eisenmann, M / Errico, L / Estevez, D / Fabrizi, F / Faedi, F / Fafone, V / Favaro, G / Fays, M / Fenyvesi, E / Ferrante, I / Fidecaro, F / Figura, P / Fiori, A / Fiori, I / Fittipaldi, R / Fiumara, V / Flaminio, R / Font, J A / Frasca, S / Frasconi, F / Freise, A / Freitas, O / Fronzé, G G / Gadre, B / Gamba, R / Garaventa, B / Garcia-Bellido, J / Gargiulo, J / Garufi, F / Gasbarra, C / Gemme, G / Gennai, A / Ghosh, Archisman / Giacoppo, L / Giri, P / Gissi, F / Gkaitatzis, S / Glotin, F / Goncharov, B / Gosselin, M / Gouaty, R / Grado, A / Granata, M / Granata, V / Greco, G / Grignani, G / Grimaldi, A / Guerra, D / Guetta, D / Guidi, G M / Gulminelli, F / Guo, Y / Gupta, P / Gutierrez, N / Haegel, L / Halim, O / Hannuksela, O / Harder, T / Haris, K / Harmark, T / Harms, J / Haskell, B / Heidmann, A / Heitmann, H / Hello, P / Hemming, G / Hennes, E / Hennig, J-S / Hennig, M / Hild, S / Hofman, D / Holland, N A / Hui, V / Iandolo, G A / Idzkowski, B / Iess, A / Iorio, G / Iosif, P / Jacqmin, T / Jacquet, P-E / Janquart, J / Janssens, K / Jaraba, S / Jaranowski, P / Jasal, P / Juste, V / Kalaghatgi, C / Karathanasis, C / Katsanevas, S / Kéfélian, F / Koekoek, G / Koley, S / Kolstein, M / Kranzhoff, S L / Królak, A / Kuijer, P / Kuroyanagi, S / Lagabbe, P / Laghi, D / Lalleman, M / Lamberts, A / La Rana, A / La Rosa, I / Lartaux-Vollard, A / Lazzaro, C / Leaci, P / Lemaître, A / Lenti, M / Leonova, E / Lequime, M / Leroy, N / Letendre, N / Lethuillier, M / Leyde, K / Linde, F / London, L / Longo, A / Portilla, M Lopez / Lorenzini, M / Loriette, V / Losurdo, G / Lumaca, D / Macquet, A / Magazzù, C / Maggiore, R / Magnozzi, M / Majorana, E / Man, N / Mangano, V / Mantovani, M / Mapelli, M / Marchesoni, F / Pina, D Marín / Marion, F / Marquina, A / Marsat, S / Martelli, F / Martinez, M / Martinez, V / Masserot, A / Mastrodicasa, M / Mastrogiovanni, S / Meijer, Q / Menendez-Vazquez, A / Mereni, L / Merzougui, M / Miani, A / Michel, C / Miller, A / Miller, B / Milotti, E / Minenkov, Y / Mir, Ll M / Miravet-Tenés, M / Mitchell, A L / Mondal, C / Montani, M / Morawski, F / Morras, G / Moscatello, A / Mours, B / Mow-Lowry, C M / Msihid, E / Muciaccia, F / Mukherjee, Suvodip / Nagar, A / Napolano, V / Nardecchia, I / Narola, H / Naticchioni, L / Neilson, J / Nesseris, S / Nguyen, C / Nieradka, G / Nissanke, S / Nitoglia, E / Nocera, F / Novak, J / No Siles, J F Nu / Oertel, M / Oganesyan, G / Oliveri, R / Orselli, M / Palomba, C / Pang, P T H / Pannarale, F / Paoletti, F / Paoli, A / Paolone, A / Pappas, G / Parisi, A / Pascucci, D / Pasqualetti, A / Passaquieti, R / Passuello, D / Patricelli, B / Pedurand, R / Pegna, R / Pegoraro, M / Perego, A / Pereira, A / Périgois, C / Perreca, A / Perriès, S / Perry, J W / Pesios, D / Petrillo, C / Phukon, K S / Piccinni, O J / Pichot, M / Piendibene, M / Piergiovanni, F / Pierini, L / Pierra, G / Pierro, V / Pillant, G / Pillas, M / Pilo, F / Pinard, L / Pinto, I M / Pinto, M / Piotrzkowski, K / Placidi, A / Placidi, E / Plastino, W / Poggiani, R / Polini, E / Porcelli, E / Portell, J / Porter, E K / Poulton, R / Pracchia, M / Pradier, T / Principe, M / Prodi, G A / Prosposito, P / Puecher, A / Punturo, M / Puosi, F / Puppo, P / Raaijmakers, G / Radulesco, N / Rapagnani, P / Razzano, M / Regimbau, T / Rei, L / Rettegno, P / Revenu, B / Reza, A / Rezaei, A S / Ricci, F / Rinaldi, S / Robinet, F / Rocchi, A / Rolland, L / Romanelli, M / Romano, R / Romero, A / Ronchini, S / Rosa, L / Rosińska, D / Roy, S / Rozza, D / Ruggi, P / Morales, E Ruiz / Saffarieh, P / Salafia, O S / Salconi, L / Salemi, F / Sallé, M / Samajdar, A / Sanchis-Gual, N / Sanuy, A / Sasli, A / Sassi, P / Sassolas, B / Sayah, S / Schmidt, S / Seglar-Arroyo, M / Sentenac, D / Sequino, V / Servignat, G / Setyawati, Y / Shcheblanov, N S / Sieniawska, M / Silenzi, L / Singh, N / Singha, A / Sipala, V / Soldateschi, J / Sordini, V / Sorrentino, F / Sorrentino, N / Soulard, R / Spagnuolo, V / Spera, M / Spinicelli, P / Stachie, C / Steer, D A / Steinlechner, J / Steinlechner, S / Stergioulas, N / Stratta, G / Suchenek, M / Sur, A / Suresh, J / Swinkels, B L / Syx, A / Szewczyk, P / Tacca, M / Tamanini, N / Tanasijczuk, A J / Martín, E N Tapia San / Taranto, C / Tonelli, M / Torres-Forné, A / E Melo, I Tosta / Tournefier, E / Trapananti, A / Travasso, F / Trenado, J / Tringali, M C / Troiano, L / Trovato, A / Trozzo, L / Tsang, K W / Turbang, K / Turconi, M / Turski, C / Ubach, H / Utina, A / Valentini, M / Vallero, S / van Bakel, N / van Beuzekom, M / van Dael, M / van den Brand, J F J / Van Den Broeck, C / van der Sluys, M / Van de Walle, A / van Dongen, J / van Haevermaet, H / van Heijningen, J V / van Ranst, Z / van Remortel, N / Vardaro, M / Vasúth, M / Vedovato, G / Verdier, P / Verkindt, D / Verma, P / Vetrano, F / Viceré, A / Vinet, J-Y / Viret, S / Virtuoso, A / Vocca, H / Walet, R C / Was, M / Yadav, N / Zadrożny, A / Zelenova, T / Zendri, J-P / Zhao, Y / Zerrad, M / Vahlbruch, H / Mehmet, M / Lück, H / Danzmann, K

Physical review letters

2023 Volume 131, Issue 4, Page(s) 41403

Abstract: In this Letter, we present the design and performance of the frequency-dependent squeezed vacuum source that will be used for the broadband quantum noise reduction of the Advanced Virgo Plus gravitational-wave detector in the upcoming observation run. ... ...

Abstract	In this Letter, we present the design and performance of the frequency-dependent squeezed vacuum source that will be used for the broadband quantum noise reduction of the Advanced Virgo Plus gravitational-wave detector in the upcoming observation run. The frequency-dependent squeezed field is generated by a phase rotation of a frequency-independent squeezed state through a 285 m long, high-finesse, near-detuned optical resonator. With about 8.5 dB of generated squeezing, up to 5.6 dB of quantum noise suppression has been measured at high frequency while close to the filter cavity resonance frequency, the intracavity losses limit this value to about 2 dB. Frequency-dependent squeezing is produced with a rotation frequency stability of about 6 Hz rms, which is maintained over the long term. The achieved results fulfill the frequency dependent squeezed vacuum source requirements for Advanced Virgo Plus. With the current squeezing source, considering also the estimated squeezing degradation induced by the interferometer, we expect a reduction of the quantum shot noise and radiation pressure noise of up to 4.5 dB and 2 dB, respectively.
Language	English
Publishing date	2023-07-05
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.131.041403
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Article ; Online: Quantum Backaction on kg-Scale Mirrors: Observation of Radiation Pressure Noise in the Advanced Virgo Detector.

Acernese, F / Agathos, M / Aiello, L / Ain, A / Allocca, A / Amato, A / Ansoldi, S / Antier, S / Arène, M / Arnaud, N / Ascenzi, S / Astone, P / Aubin, F / Babak, S / Badaracco, F / Bader, M K M / Bagnasco, S / Baird, J / Ballardin, G /

Baltus, G / Barbieri, C / Barneo, P / Barone, F / Barsuglia, M / Barta, D / Basti, A / Bawaj, M / Bazzan, M / Bejger, M / Belahcene, I / Bernuzzi, S / Bersanetti, D / Bertolini, A / Bischi, M / Bitossi, M / Bizouard, M-A / Blanch, O / Bobba, F / Boer, M / Bogaert, G / Boldrini, M / Bondu, F / Bonnand, R / Boom, B A / Boschi, V / Boudart, V / Bouffanais, Y / Bozzi, A / Bradaschia, C / Branchesi, M / Breschi, M / Briant, T / Brighenti, F / Brillet, A / Brooks, J / Bruno, G / Bulik, T / Bulten, H J / Buskulic, D / Cagnoli, G / Calloni, E / Canepa, M / Carapella, G / Carbognani, F / Carpinelli, M / Carullo, G / Diaz, J Casanueva / Casentini, C / Caudill, S / Cavalier, F / Cavalieri, R / Cella, G / Cerdá-Durán, P / Cesarini, E / Chaibi, W / Chanial, P / Chassande-Mottin, E / Chiadini, F / Chierici, R / Chincarini, A / Chiummo, A / Christensen, N / Chua, S / Ciani, G / Ciecielag, P / Cieślar, M / Cifaldi, M / Ciolfi, R / Cipriano, F / Cirone, A / Clesse, S / Cleva, F / Coccia, E / Cohadon, P-F / Cohen, D E / Colpi, M / Conti, L / Cordero-Carrión, I / Corezzi, S / Corre, D / Cortese, S / Coulon, J-P / Croquette, M / Cudell, J R / Cuoco, E / Curylo, M / D'Angelo, B / D'Antonio, S / D'Onofrio, L / D'Urso, D / Canton, T Dal / Dattilo, V / Davier, M / De Laurentis, M / De Matteis, F / De Pietri, R / De Rosa, R / De Rossi, C / Degallaix, J / Del Pozzo, W / Deléglise, S / Depasse, A / Di Fiore, L / Di Giorgio, C / Di Giovanni, F / Di Giovanni, M / Di Girolamo, T / Di Lieto, A / Di Pace, S / Di Palma, I / Di Renzo, F / Dietrich, T / Drago, M / Ducoin, J-G / Durante, O / Duverne, P-A / Eisenmann, M / Errico, L / Estevez, D / Fafone, V / Farinon, S / Fays, M / Feng, F / Fenyvesi, E / Ferrante, I / Fidecaro, F / Figura, P / Fiori, I / Fiorucci, D / Fittipaldi, R / Fiumara, V / Flaminio, R / Font, J A / Fournier, J-D / Frasca, S / Frasconi, F / Frey, V / Fronzé, G G / Gamba, R / Garaventa, B / Garufi, F / Gemme, G / Gennai, A / Ghosh, Archisman / Giacomazzo, B / Giacoppo, L / Giri, P / Gosselin, M / Gouaty, R / Grado, A / Granata, M / Granata, V / Greco, G / Grignani, G / Grimaldi, A / Grimm, S J / Gruning, P / Guidi, G M / Guixé, G / Guo, Y / Gupta, P / Haegel, L / Halim, O / Hannuksela, O / Harder, T / Haris, K / Harms, J / Heidmann, A / Heitmann, H / Hello, P / Hemming, G / Hennes, E / Hofman, D / Hui, V / Idzkowski, B / Iess, A / Intini, G / Jacqmin, T / Janssens, K / Jaranowski, P / Jonker, R J G / Karathanasis, C / Katsanevas, S / Kéfélian, F / Khan, I / Khetan, N / Koekoek, G / Koley, S / Kolstein, M / Królak, A / La Rosa, I / Laghi, D / Lamberts, A / Lartaux-Vollard, A / Lazzaro, C / Leaci, P / Leroy, N / Letendre, N / Linde, F / Llorens-Monteagudo, M / Longo, A / Lorenzini, M / Loriette, V / Losurdo, G / Lumaca, D / Macquet, A / Magazzù, C / Majorana, E / Maksimovic, I / Man, N / Mangano, V / Mantovani, M / Mapelli, M / Marchesoni, F / Marion, F / Marquina, A / Marsat, S / Martelli, F / Martinez, M / Martinez, V / Masserot, A / Mastrogiovanni, S / Menendez-Vazquez, A / Mereni, L / Merzougui, M / Metzdorff, R / Miani, A / Michel, C / Milano, L / Miller, A / Milotti, E / Minazzoli, O / Minenkov, Y / Mir, Ll M / Montani, M / Morawski, F / Mours, B / Muciaccia, F / Nagar, A / Nardecchia, I / Naticchioni, L / Neilson, J / Nelemans, G / Nguyen, C / Nissanke, S / Nocera, F / Oganesyan, G / Olivetto, C / Pagano, G / Pagliaroli, G / Palomba, C / Pang, T H / Pannarale, F / Paoletti, F / Paoli, A / Paolone, A / Pascucci, D / Pasqualetti, A / Passaquieti, R / Passuello, D / Patricelli, B / Pegoraro, M / Perego, A / Périgois, C / Perreca, A / Perriès, S / Phukon, K S / Piccinni, O J / Pichot, M / Piendibene, M / Piergiovanni, F / Pierini, L / Pierro, V / Pillant, G / Pilo, F / Pinard, L / Pinto, I M / Piotrzkowski, K / Placidi, E / Plastino, W / Poggiani, R / Polini, E / Popolizio, P / Porter, E K / Pracchia, M / Principe, M / Prodi, G A / Prosposito, P / Puecher, A / Punturo, M / Puosi, F / Puppo, P / Raaijmakers, G / Radulesco, N / Rapagnani, P / Razzano, M / Regimbau, T / Rei, L / Rettegno, P / Ricci, F / Riemenschneider, G / Robinet, F / Rocchi, A / Rolland, L / Romanelli, M / Romano, R / Romero, A / Ronchini, S / Rosińska, D / Ruggi, P / Salafia, O S / Salconi, L / Samajdar, A / Sanchis-Gual, N / Santos, E / Sassolas, B / Sauter, O / Sayah, S / Seglar-Arroyo, M / Sentenac, D / Sequino, V / Sharma, A / Sieniawska, M / Singh, N / Singhal, A / Sipala, V / Sordini, V / Sorrentino, F / Sorrentino, N / Soulard, R / Spera, M / Stachie, C / Steer, D A / Stratta, G / Sur, A / Swinkels, B L / Tacca, M / Tanasijczuk, A J / Martin, E N Tapia San / Tonelli, M / Torres-Forné, A / Tosta E Melo, I / Trapananti, A / Travasso, F / Tringali, M C / Trovato, A / Tsang, K W / Turconi, M / Valentini, M / van Bakel, N / van Beuzekom, M / van den Brand, J F J / Van Den Broeck, C / van der Schaaf, L / Vardaro, M / Vasúth, M / Vedovato, G / Verkindt, D / Vetrano, F / Viceré, A / Vinet, J-Y / Vocca, H / Walet, R C / Was, M / Zadrożny, A / Zelenova, T / Zendri, J-P / Mehmet, M / Vahlbruch, H / Lück, H / Danzmann, K

Physical review letters

2020 Volume 125, Issue 13, Page(s) 131101

Abstract: The quantum radiation pressure and the quantum shot noise in laser-interferometric gravitational wave detectors constitute a macroscopic manifestation of the Heisenberg inequality. If quantum shot noise can be easily observed, the observation of quantum ... ...

Abstract	The quantum radiation pressure and the quantum shot noise in laser-interferometric gravitational wave detectors constitute a macroscopic manifestation of the Heisenberg inequality. If quantum shot noise can be easily observed, the observation of quantum radiation pressure noise has been elusive, so far, due to the technical noise competing with quantum effects. Here, we discuss the evidence of quantum radiation pressure noise in the Advanced Virgo gravitational wave detector. In our experiment, we inject squeezed vacuum states of light into the interferometer in order to manipulate the quantum backaction on the 42 kg mirrors and observe the corresponding quantum noise driven displacement at frequencies between 30 and 70 Hz. The experimental data, obtained in various interferometer configurations, is tested against the Advanced Virgo detector quantum noise model which confirmed the measured magnitude of quantum radiation pressure noise.
Language	English
Publishing date	2020-10-09
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.125.131101
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Increasing the Astrophysical Reach of the Advanced Virgo Detector via the Application of Squeezed Vacuum States of Light.

Acernese, F / Agathos, M / Aiello, L / Allocca, A / Amato, A / Ansoldi, S / Antier, S / Arène, M / Arnaud, N / Ascenzi, S / Astone, P / Aubin, F / Babak, S / Bacon, P / Badaracco, F / Bader, M K M / Baird, J / Baldaccini, F / Ballardin, G /

Baltus, G / Barbieri, C / Barneo, P / Barone, F / Barsuglia, M / Barta, D / Basti, A / Bawaj, M / Bazzan, M / Bejger, M / Belahcene, I / Bernuzzi, S / Bersanetti, D / Bertolini, A / Bischi, M / Bitossi, M / Bizouard, M A / Bobba, F / Boer, M / Bogaert, G / Bondu, F / Bonnand, R / Boom, B A / Boschi, V / Bouffanais, Y / Bozzi, A / Bradaschia, C / Branchesi, M / Breschi, M / Briant, T / Brighenti, F / Brillet, A / Brooks, J / Bruno, G / Bulik, T / Bulten, H J / Buskulic, D / Cagnoli, G / Calloni, E / Canepa, M / Carapella, G / Carbognani, F / Carullo, G / Casanueva Diaz, J / Casentini, C / Castañeda, J / Caudill, S / Cavalier, F / Cavalieri, R / Cella, G / Cerdá-Durán, P / Cesarini, E / Chaibi, O / Chassande-Mottin, E / Chiadini, F / Chierici, R / Chincarini, A / Chiummo, A / Christensen, N / Chua, S / Ciani, G / Ciecielag, P / Cieślar, M / Ciolfi, R / Cipriano, F / Cirone, A / Clesse, S / Cleva, F / Coccia, E / Cohadon, P-F / Cohen, D / Colpi, M / Conti, L / Cordero-Carrión, I / Corezzi, S / Corre, D / Cortese, S / Coulon, J-P / Croquette, M / Cudell, J-R / Cuoco, E / Curylo, M / D'Angelo, B / D'Antonio, S / Dattilo, V / Davier, M / Degallaix, J / De Laurentis, M / Deléglise, S / Del Pozzo, W / De Pietri, R / De Rosa, R / De Rossi, C / Dietrich, T / Di Fiore, L / Di Giorgio, C / Di Giovanni, F / Di Giovanni, M / Di Girolamo, T / Di Lieto, A / Di Pace, S / Di Palma, I / Di Renzo, F / Drago, M / Ducoin, J-G / Durante, O / D'Urso, D / Eisenmann, M / Errico, L / Estevez, D / Fafone, V / Farinon, S / Feng, F / Fenyvesi, E / Ferrante, I / Fidecaro, F / Fiori, I / Fiorucci, D / Fittipaldi, R / Fiumara, V / Flaminio, R / Font, J A / Fournier, J-D / Frasca, S / Frasconi, F / Frey, V / Fronzè, G / Garufi, F / Gemme, G / Genin, E / Gennai, A / Ghosh, Archisman / Giacomazzo, B / Gosselin, M / Gouaty, R / Grado, A / Granata, M / Greco, G / Grignani, G / Grimaldi, A / Grimm, S J / Gruning, P / Guidi, G M / Guixé, G / Guo, Y / Gupta, P / Halim, O / Harder, T / Harms, J / Heidmann, A / Heitmann, H / Hello, P / Hemming, G / Hennes, E / Hinderer, T / Hofman, D / Huet, D / Hui, V / Idzkowski, B / Iess, A / Intini, G / Isac, J-M / Jacqmin, T / Jaranowski, P / Jonker, R J G / Katsanevas, S / Kéfélian, F / Khan, I / Khetan, N / Koekoek, G / Koley, S / Królak, A / Kutynia, A / Laghi, D / Lamberts, A / La Rosa, I / Lartaux-Vollard, A / Lazzaro, C / Leaci, P / Leroy, N / Letendre, N / Linde, F / Llorens-Monteagudo, M / Longo, A / Lorenzini, M / Loriette, V / Losurdo, G / Lumaca, D / Macquet, A / Majorana, E / Maksimovic, I / Man, N / Mangano, V / Mantovani, M / Mapelli, M / Marchesoni, F / Marion, F / Marquina, A / Marsat, S / Martelli, F / Martinez, V / Masserot, A / Mastrogiovanni, S / Mejuto Villa, E / Mereni, L / Merzougui, M / Metzdorff, R / Miani, A / Michel, C / Milano, L / Miller, A / Milotti, E / Minazzoli, O / Minenkov, Y / Montani, M / Morawski, F / Mours, B / Muciaccia, F / Nagar, A / Nardecchia, I / Naticchioni, L / Neilson, J / Nelemans, G / Nguyen, C / Nichols, D / Nissanke, S / Nocera, F / Oganesyan, G / Olivetto, C / Pagano, G / Pagliaroli, G / Palomba, C / Pang, P T H / Pannarale, F / Paoletti, F / Paoli, A / Pascucci, D / Pasqualetti, A / Passaquieti, R / Passuello, D / Patricelli, B / Perego, A / Pegoraro, M / Périgois, C / Perreca, A / Perriès, S / Phukon, K S / Piccinni, O J / Pichot, M / Piendibene, M / Piergiovanni, F / Pierro, V / Pillant, G / Pinard, L / Pinto, I M / Piotrzkowski, K / Plastino, W / Poggiani, R / Popolizio, P / Porter, E K / Prevedelli, M / Principe, M / Prodi, G A / Punturo, M / Puppo, P / Raaijmakers, G / Radulesco, N / Rapagnani, P / Razzano, M / Regimbau, T / Rei, L / Rettegno, P / Ricci, F / Riemenschneider, G / Robinet, F / Rocchi, A / Rolland, L / Romanelli, M / Romano, R / Rosińska, D / Ruggi, P / Salafia, O S / Salconi, L / Samajdar, A / Sanchis-Gual, N / Santos, E / Sassolas, B / Sauter, O / Sayah, S / Sentenac, D / Sequino, V / Sharma, A / Sieniawska, M / Singh, N / Singhal, A / Sipala, V / Sordini, V / Sorrentino, F / Spera, M / Stachie, C / Steer, D A / Stratta, G / Sur, A / Swinkels, B L / Tacca, M / Tanasijczuk, A J / Tapia San Martin, E N / Tiwari, S / Tonelli, M / Torres-Forné, A / Tosta E Melo, I / Travasso, F / Tringali, M C / Trovato, A / Tsang, K W / Turconi, M / Valentini, M / van Bakel, N / van Beuzekom, M / van den Brand, J F J / Van Den Broeck, C / van der Schaaf, L / Vardaro, M / Vasúth, M / Vedovato, G / Verkindt, D / Vetrano, F / Viceré, A / Vinet, J-Y / Vocca, H / Walet, R / Was, M / Zadrożny, A / Zelenova, T / Zendri, J-P / Vahlbruch, Henning / Mehmet, Moritz / Lück, Harald / Danzmann, Karsten

Physical review letters

2019 Volume 123, Issue 23, Page(s) 231108

Abstract: Current interferometric gravitational-wave detectors are limited by quantum noise over a wide range of their measurement bandwidth. One method to overcome the quantum limit is the injection of squeezed vacuum states of light into the interferometer's ... ...

Abstract	Current interferometric gravitational-wave detectors are limited by quantum noise over a wide range of their measurement bandwidth. One method to overcome the quantum limit is the injection of squeezed vacuum states of light into the interferometer's dark port. Here, we report on the successful application of this quantum technology to improve the shot noise limited sensitivity of the Advanced Virgo gravitational-wave detector. A sensitivity enhancement of up to 3.2±0.1 dB beyond the shot noise limit is achieved. This nonclassical improvement corresponds to a 5%-8% increase of the binary neutron star horizon. The squeezing injection was fully automated and over the first 5 months of the third joint LIGO-Virgo observation run O3 squeezing was applied for more than 99% of the science time. During this period several gravitational-wave candidates have been recorded.
Language	English
Publishing date	2019-12-23
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.123.231108
Database	MEDical Literature Analysis and Retrieval System OnLINE

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