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  1. Article ; Online: Increasing Extractable Work in Small Qubit Landscapes.

    Akhouri, Unnati / Shandera, Sarah / Yesmurzayeva, Gaukhar

    Entropy (Basel, Switzerland)

    2023  Volume 25, Issue 6

    Abstract: An interesting class of physical systems, including those associated with life, demonstrates the ability to hold thermalization at bay and perpetuate states of high free-energy compared to a local environment. In this work we study quantum systems with ... ...

    Abstract An interesting class of physical systems, including those associated with life, demonstrates the ability to hold thermalization at bay and perpetuate states of high free-energy compared to a local environment. In this work we study quantum systems with no external sources or sinks for energy, heat, work, or entropy that allow for high free-energy subsystems to form and persist. We initialize systems of qubits in mixed, uncorrelated states and evolve them subject to a conservation law. We find that four qubits make up the minimal system for which these restricted dynamics and initial conditions allow an increase in extractable work for a subsystem. On landscapes of eight co-evolving qubits, interacting in randomly selected subsystems at each step, we demonstrate that restricted connectivity and an inhomogeneous distribution of initial temperatures both lead to landscapes with longer intervals of increasing extractable work for individual qubits. We demonstrate the role of correlations that develop on the landscape in enabling a positive change in extractable work.
    Language English
    Publishing date 2023-06-16
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2014734-X
    ISSN 1099-4300 ; 1099-4300
    ISSN (online) 1099-4300
    ISSN 1099-4300
    DOI 10.3390/e25060947
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: RASE: Modeling cumulative disadvantage due to marginalized group status in academia.

    Shandera, Sarah / Matsick, Jes L / Hunter, David R / Leblond, Louis

    PloS one

    2021  Volume 16, Issue 12, Page(s) e0260567

    Abstract: We propose a framework of Resources, Achievement, Status, and Events (RASE) that allows the many disparate but well-documented phenomena affecting underrepresented groups in STEM to be assembled into a story of career trajectories, illuminating the ... ...

    Abstract We propose a framework of Resources, Achievement, Status, and Events (RASE) that allows the many disparate but well-documented phenomena affecting underrepresented groups in STEM to be assembled into a story of career trajectories, illuminating the possible cumulative impact of many small inequities. Our framework contains a three-component deterministic cycle of (1) production of Achievements from Resources, (2) updated community Status due to Achievements, and (3) accrual of additional Resources based on community Status. A fourth component, stochastic Events, can influence an individual's level of Resources or Achievements at each time step of the cycle. We build a specific mathematical model within the RASE framework and use it to investigate the impact of accumulated disadvantages from multiple compounding variables. We demonstrate that the model can reproduce data of observed disparities in academia. Finally, we use a publicly available visualization and networking tool to provide a sandbox for exploring career outcomes within the model. The modeling exercise, results, and visualization tool may be useful in the context of training STEM faculty to recognize and reduce effects of bias.
    MeSH term(s) Academic Success ; Career Choice ; Engineering/education ; Humans ; Mathematics/education ; Models, Theoretical ; Science/education ; Technology/education
    Language English
    Publishing date 2021-12-16
    Publishing country United States
    Document type Journal Article
    ISSN 1932-6203
    ISSN (online) 1932-6203
    DOI 10.1371/journal.pone.0260567
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Gravitational Waves from Binary Mergers of Subsolar Mass Dark Black Holes.

    Shandera, Sarah / Jeong, Donghui / Gebhardt, Henry S Grasshorn

    Physical review letters

    2018  Volume 120, Issue 24, Page(s) 241102

    Abstract: We explore the possible spectrum of binary mergers of subsolar mass black holes formed out of dark matter particles interacting via a dark electromagnetism. We estimate the properties of these dark black holes by assuming that their formation process is ... ...

    Abstract We explore the possible spectrum of binary mergers of subsolar mass black holes formed out of dark matter particles interacting via a dark electromagnetism. We estimate the properties of these dark black holes by assuming that their formation process is parallel to Population-III star formation, except that dark molecular cooling can yield a smaller opacity limit. We estimate the binary coalescence rates for the Advanced LIGO and Einstein telescope, and find that scenarios compatible with all current constraints could produce dark black holes at rates high enough for detection by Advanced LIGO.
    Language English
    Publishing date 2018-06-15
    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.120.241102
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Statistical naturalness and non-gaussianity in a finite universe.

    Nelson, Elliot / Shandera, Sarah

    Physical review letters

    2013  Volume 110, Issue 13, Page(s) 131301

    Abstract: We study the behavior of n-point functions of the primordial curvature perturbations, assuming our observed Universe is only a subset of a larger space with statistically homogeneous and isotropic perturbations. If the larger space has arbitrary n-point ... ...

    Abstract We study the behavior of n-point functions of the primordial curvature perturbations, assuming our observed Universe is only a subset of a larger space with statistically homogeneous and isotropic perturbations. If the larger space has arbitrary n-point functions in a family of local type non-gaussian statistics, sufficiently biased smaller volumes will have statistics from a "natural" version of that family with moments that are weakly non-gaussian and ordered, regardless of the statistics of the original field. We also describe the effect of this bias on the shape of the bispectrum.
    Language English
    Publishing date 2013-03-29
    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.110.131301
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Book ; Online: Large-scale anomalies in the cosmic microwave background as signatures of non-Gaussianity

    Adhikari, Saroj / Shandera, Sarah / Erickcek, Adrienne L.

    2015  

    Abstract: We derive a general expression for the probability of observing deviations from statistical isotropy in the cosmic microwave background (CMB) if the primordial fluctuations are non-Gaussian and extend to superhorizon scales. The primary motivation is to ... ...

    Abstract We derive a general expression for the probability of observing deviations from statistical isotropy in the cosmic microwave background (CMB) if the primordial fluctuations are non-Gaussian and extend to superhorizon scales. The primary motivation is to properly characterize the monopole and dipole modulations of the primordial power spectrum that are generated by the coupling between superhorizon and subhorizon perturbations. Unlike previous proposals for generating the hemispherical power asymmetry, we do not assume that the power asymmetry results from a single large superhorizon mode. Instead, we extrapolate the observed power spectrum to superhorizon scales and compute the power asymmetry that would result from a specific realization of non-Gaussian perturbations on scales larger than the observable universe. Our study encompasses many of the scenarios that have been put forward as possible explanations for the CMB hemispherical power asymmetry. We confirm our analytic predictions for the probability of a given power asymmetry by comparing them to numerical realizations of CMB maps. We find that non-local models of non-Gaussianity and scale-dependent local non-Gaussianity produce scale-dependent modulations of the power spectrum, thereby potentially producing both a monopolar and a dipolar power modulation on large scales. We then provide simple examples of finding the posterior distributions for the parameters of the bispectrum from the observed monopole and dipole modulations.

    Comment: 21 pages, 11 figures; v2: minor changes to match the PRD accepted version
    Keywords Astrophysics - Cosmology and Nongalactic Astrophysics
    Subject code 612
    Publishing date 2015-08-26
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Search for Subsolar-Mass Binaries in the First Half of Advanced LIGO's and Advanced Virgo's Third Observing Run.

    Abbott, R / Abbott, T D / Acernese, F / Ackley, K / Adams, C / Adhikari, N / Adhikari, R X / Adya, V B / Affeldt, C / Agarwal, D / Agathos, M / Agatsuma, K / Aggarwal, N / Aguiar, O D / Aiello, L / Ain, A / Ajith, P / Albanesi, S / Allocca, A /
    Altin, P A / Amato, A / Anand, C / Anand, S / Ananyeva, A / Anderson, S B / Anderson, W G / Andrade, T / Andres, N / Andrić, T / Angelova, S V / Ansoldi, S / Antelis, J M / Antier, S / Appert, S / Arai, K / Araya, M C / Areeda, J S / Arène, M / Arnaud, N / Aronson, S M / Arun, K G / Asali, Y / Ashton, G / Assiduo, M / Aston, S M / Astone, P / Aubin, F / Austin, C / Babak, S / Badaracco, F / Bader, M K M / Badger, C / Bae, S / Baer, A M / Bagnasco, S / Bai, Y / Baird, J / Ball, M / Ballardin, G / Ballmer, S W / Balsamo, A / Baltus, G / Banagiri, S / Bankar, D / Barayoga, J C / Barbieri, C / Barish, B C / Barker, D / Barneo, P / Barone, F / Barr, B / Barsotti, L / Barsuglia, M / Barta, D / Bartlett, J / Barton, M A / Bartos, I / Bassiri, R / Basti, A / Bawaj, M / Bayley, J C / Baylor, A C / Bazzan, M / Bécsy, B / Bedakihale, V M / Bejger, M / Belahcene, I / Benedetto, V / Beniwal, D / Bennett, T F / Bentley, J D / BenYaala, M / Bergamin, F / Berger, B K / Bernuzzi, S / Berry, C P L / Bersanetti, D / Bertolini, A / Betzwieser, J / Beveridge, D / Bhandare, R / Bhardwaj, U / Bhattacharjee, D / Bhaumik, S / Bilenko, I A / Billingsley, G / Bini, S / Birney, R / Birnholtz, O / Biscans, S / Bischi, M / Biscoveanu, S / Bisht, A / Biswas, B / Bitossi, M / Bizouard, M-A / Blackburn, J K / Blair, C D / Blair, D G / Blair, R M / Bobba, F / Bode, N / Boer, M / Bogaert, G / Boldrini, M / Bonavena, L D / Bondu, F / Bonilla, E / Bonnand, R / Booker, P / Boom, B A / Bork, R / Boschi, V / Bose, N / Bose, S / Bossilkov, V / Boudart, V / Bouffanais, Y / Bozzi, A / Bradaschia, C / Brady, P R / Bramley, A / Branch, A / Branchesi, M / Brau, J E / Breschi, M / Briant, T / Briggs, J H / Brillet, A / Brinkmann, M / Brockill, P / Brooks, A F / Brooks, J / Brown, D D / Brunett, S / Bruno, G / Bruntz, R / Bryant, J / Bulik, T / Bulten, H J / Buonanno, A / Buscicchio, R / Buskulic, D / Buy, C / Byer, R L / Cadonati, L / Cagnoli, G / Cahillane, C / Bustillo, J Calderón / Callaghan, J D / Callister, T A / Calloni, E / Cameron, J / Camp, J B / Canepa, M / Canevarolo, S / Cannavacciuolo, M / Cannon, K C / Cao, H / Capote, E / Carapella, G / Carbognani, F / Carlin, J B / Carney, M F / Carpinelli, M / Carrillo, G / Carullo, G / Carver, T L / Diaz, J Casanueva / Casentini, C / Castaldi, G / Caudill, S / Cavaglià, M / Cavalier, F / Cavalieri, R / Ceasar, M / Cella, G / Cerdá-Durán, P / Cesarini, E / Chaibi, W / Chakravarti, K / Subrahmanya, S Chalathadka / Champion, E / Chan, C-H / Chan, C / Chan, C L / Chan, K / Chandra, K / Chanial, P / Chao, S / Charlton, P / Chase, E A / Chassande-Mottin, E / Chatterjee, C / Chatterjee, Debarati / Chatterjee, Deep / Chaturvedi, M / Chaty, S / Chatziioannou, K / Chen, H Y / Chen, J / Chen, X / Chen, Y / Chen, Z / Cheng, H / Cheong, C K / Cheung, H Y / Chia, H Y / Chiadini, F / Chiarini, G / Chierici, R / Chincarini, A / Chiofalo, M L / Chiummo, A / Cho, G / Cho, H S / Choudhary, R K / Choudhary, S / Christensen, N / Chu, Q / Chua, S / Chung, K W / Ciani, G / Ciecielag, P / Cieślar, M / Cifaldi, M / Ciobanu, A A / Ciolfi, R / Cipriano, F / Cirone, A / Clara, F / Clark, E N / Clark, J A / Clarke, L / Clearwater, P / Clesse, S / Cleva, F / Coccia, E / Codazzo, E / Cohadon, P-F / Cohen, D E / Cohen, L / Colleoni, M / Collette, C G / Colombo, A / Colpi, M / Compton, C M / Constancio, M / Conti, L / Cooper, S J / Corban, P / Corbitt, T R / Cordero-Carrión, I / Corezzi, S / Corley, K R / Cornish, N / Corre, D / Corsi, A / Cortese, S / Costa, C A / Cotesta, R / Coughlin, M W / Coulon, J-P / Countryman, S T / Cousins, B / Couvares, P / Coward, D M / Cowart, M J / Coyne, D C / Coyne, R / Creighton, J D E / Creighton, T D / Criswell, A W / Croquette, M / Crowder, S G / Cudell, J R / Cullen, T J / Cumming, A / Cummings, R / Cunningham, L / Cuoco, E / Curyło, M / Dabadie, P / Canton, T Dal / Dall'Osso, S / Dálya, G / Dana, A / DaneshgaranBajastani, L M / D'Angelo, B / Danilishin, S / D'Antonio, S / Danzmann, K / Darsow-Fromm, C / Dasgupta, A / Datrier, L E H / Datta, S / Dattilo, V / Dave, I / Davier, M / Davies, G S / Davis, D / Davis, M C / Daw, E J / Dean, R / DeBra, D / Deenadayalan, M / Degallaix, J / De Laurentis, M / Deléglise, S / Del Favero, V / De Lillo, F / De Lillo, N / Del Pozzo, W / DeMarchi, L M / De Matteis, F / D'Emilio, V / Demos, N / Dent, T / Depasse, A / De Pietri, R / De Rosa, R / De Rossi, C / DeSalvo, R / De Simone, R / Dhurandhar, S / Díaz, M C / Diaz-Ortiz, M / Didio, N A / Dietrich, T / Di Fiore, L / Di Fronzo, C / Di Giorgio, C / Di Giovanni, F / Di Giovanni, M / Di Girolamo, T / Di Lieto, A / Ding, B / Di Pace, S / Di Palma, I / Di Renzo, F / Divakarla, A K / Dmitriev, A / Doctor, Z / D'Onofrio, L / Donovan, F / Dooley, K L / Doravari, S / Dorrington, I / Drago, M / Driggers, J C / Drori, Y / Ducoin, J-G / Dupej, P / Durante, O / D'Urso, D / Duverne, P-A / Dwyer, S E / Eassa, C / Easter, P J / Ebersold, M / Eckhardt, T / Eddolls, G / Edelman, B / Edo, T B / Edy, O / Effler, A / Eichholz, J / Eikenberry, S S / Eisenmann, M / Eisenstein, R A / Ejlli, A / Engelby, E / Errico, L / Essick, R C / Estellés, H / Estevez, D / Etienne, Z / Etzel, T / Evans, M / Evans, T M / Ewing, B E / Fafone, V / Fair, H / Fairhurst, S / Farah, A M / Farinon, S / Farr, B / Farr, W M / Farrow, N W / Fauchon-Jones, E J / Favaro, G / Favata, M / Fays, M / Fazio, M / Feicht, J / Fejer, M M / Fekecs, B / Fenyvesi, E / Ferguson, D L / Fernandez-Galiana, A / Ferrante, I / Ferreira, T A / Fidecaro, F / Figura, P / Fiori, I / Fishbach, M / Fisher, R P / Fittipaldi, R / Fiumara, V / Flaminio, R / Floden, E / Fong, H / Font, J A / Fornal, B / Forsyth, P W F / Franke, A / Frasca, S / Frasconi, F / Frederick, C / Freed, J P / Frei, Z / Freise, A / Frey, R / Fritschel, P / Frolov, V V / Fronzé, G G / Fulda, P / Fyffe, M / Gabbard, H A / Gadre, B U / Gair, J R / Gais, J / Galaudage, S / Gamba, R / Ganapathy, D / Ganguly, A / Gaonkar, S G / Garaventa, B / García-Núñez, C / García-Quirós, C / Garufi, F / Gateley, B / Gaudio, S / Gayathri, V / Gemme, G / Gennai, A / George, J / Gerberding, O / Gergely, L / Gewecke, P / Ghonge, S / Ghosh, Abhirup / Ghosh, Archisman / Ghosh, Shaon / Ghosh, Shrobana / Giacomazzo, B / Giacoppo, L / Giaime, J A / Giardina, K D / Gibson, D R / Gier, C / Giesler, M / Giri, P / Gissi, F / Glanzer, J / Gleckl, A E / Godwin, P / Goetz, E / Goetz, R / Gohlke, N / Goncharov, B / González, G / Gopakumar, A / Gosselin, M / Gouaty, R / Gould, D W / Grace, B / Grado, A / Granata, M / Granata, V / Grant, A / Gras, S / Grassia, P / Gray, C / Gray, R / Greco, G / Green, A C / Green, R / Gretarsson, A M / Gretarsson, E M / Griffith, D / Griffiths, W / Griggs, H L / Grignani, G / Grimaldi, A / Grimm, S J / Grote, H / Grunewald, S / Gruning, P / Guerra, D / Guidi, G M / Guimaraes, A R / Guixé, G / Gulati, H K / Guo, H-K / Guo, Y / Gupta, Anchal / Gupta, Anuradha / Gupta, P / Gustafson, E K / Gustafson, R / Guzman, F / Haegel, L / Halim, O / Hall, E D / Hamilton, E Z / Hammond, G / Haney, M / Hanks, J / Hanna, C / Hannam, M D / Hannuksela, O / Hansen, H / Hansen, T J / Hanson, J / Harder, T / Hardwick, T / Haris, K / Harms, J / Harry, G M / Harry, I W / Hartwig, D / Haskell, B / Hasskew, R K / Haster, C-J / Haughian, K / Hayes, F J / Healy, J / Heidmann, A / Heidt, A / Heintze, M C / Heinze, J / Heinzel, J / Heitmann, H / Hellman, F / Hello, P / Helmling-Cornell, A F / Hemming, G / Hendry, M / Heng, I S / Hennes, E / Hennig, J / Hennig, M H / Hernandez, A G / Vivanco, F Hernandez / Heurs, M / Hild, S / Hill, P / Hines, A S / Hochheim, S / Hofman, D / Hohmann, J N / Holcomb, D G / Holland, N A / Hollows, I J / Holmes, Z J / Holt, K / Holz, D E / Hopkins, P / Hough, J / Hourihane, S / Howell, E J / Hoy, C G / Hoyland, D / Hreibi, A / Hsu, Y / Huang, Y / Hübner, M T / Huddart, A D / Hughey, B / Hui, V / Husa, S / Huttner, S H / Huxford, R / Huynh-Dinh, T / Idzkowski, B / Iess, A / Ingram, C / Isi, M / Isleif, K / Iyer, B R / JaberianHamedan, V / Jacqmin, T / Jadhav, S J / Jadhav, S P / James, A L / Jan, A Z / Jani, K / Janquart, J / Janssens, K / Janthalur, N N / Jaranowski, P / Jariwala, D / Jaume, R / Jenkins, A C / Jenner, K / Jeunon, M / Jia, W / Johns, G R / Jones, A W / Jones, D I / Jones, J D / Jones, P / Jones, R / Jonker, R J G / Ju, L / Junker, J / Juste, V / Kalaghatgi, C V / Kalogera, V / Kamai, B / Kandhasamy, S / Kang, G / Kanner, J B / Kao, Y / Kapadia, S J / Kapasi, D P / Karat, S / Karathanasis, C / Karki, S / Kashyap, R / Kasprzack, M / Kastaun, W / Katsanevas, S / Katsavounidis, E / Katzman, W / Kaur, T / Kawabe, K / Kéfélian, F / Keitel, D / Key, J S / Khadka, S / Khalili, F Y / Khan, S / Khazanov, E A / Khetan, N / Khursheed, M / Kijbunchoo, N / Kim, C / Kim, J C / Kim, K / Kim, W S / Kim, Y-M / Kimball, C / Kinley-Hanlon, M / Kirchhoff, R / Kissel, J S / Kleybolte, L / Klimenko, S / Knee, A M / Knowles, T D / Knyazev, E / Koch, P / Koekoek, G / Koley, S / Kolitsidou, P / Kolstein, M / Komori, K / Kondrashov, V / Kontos, A / Koper, N / Korobko, M / Kovalam, M / Kozak, D B / Kringel, V / Krishnendu, N V / Królak, A / Kuehn, G / Kuei, F / Kuijer, P / Kumar, A / Kumar, P / Kumar, Rahul / Kumar, Rakesh / Kuns, K / Kuwahara, S / Lagabbe, P / Laghi, D / Lalande, E / Lam, T L / Lamberts, A / Landry, M / Lane, B B / Lang, R N / Lange, J / Lantz, B / La Rosa, I / Lartaux-Vollard, A / Lasky, P D / Laxen, M / Lazzarini, A / Lazzaro, C / Leaci, P / Leavey, S / Lecoeuche, Y K / Lee, H M / Lee, H W / Lee, J / Lee, K / Lehmann, J / Lemaître, A / Leroy, N / Letendre, N / Levesque, C / Levin, Y / Leviton, J N / Leyde, K / Li, A K Y / Li, B / Li, J / Li, T G F / Li, X / Linde, F / Linker, S D / Linley, J N / Littenberg, T B / Liu, J / Liu, K / Liu, X / Llamas, F / Llorens-Monteagudo, M / Lo, R K L / Lockwood, A / London, L T / Longo, A / Lopez, D / Portilla, M Lopez / Lorenzini, M / Loriette, V / Lormand, M / Losurdo, G / Lott, T P / Lough, J D / Lousto, C O / Lovelace, G / Lucaccioni, J F / Lück, H / Lumaca, D / Lundgren, A P / Lynam, J E / Macas, R / MacInnis, M / Macleod, D M / MacMillan, I A O / Macquet, A / Hernandez, I Magaña / Magazzù, C / Magee, R M / Maggiore, R / Magnozzi, M / Mahesh, S / Majorana, E / Makarem, C / Maksimovic, I / Maliakal, S / Malik, A / Man, N / Mandic, V / Mangano, V / Mango, J L / Mansell, G L / Manske, M / Mantovani, M / Mapelli, M / Marchesoni, F / Marion, F / Mark, Z / Márka, S / Márka, Z / Markakis, C / Markosyan, A S / Markowitz, A / Maros, E / Marquina, A / Marsat, S / Martelli, F / Martin, I W / Martin, R M / Martinez, M / Martinez, V A / Martinez, V / Martinovic, K / Martynov, D V / Marx, E J / Masalehdan, H / Mason, K / Massera, E / Masserot, A / Massinger, T J / Masso-Reid, M / Mastrogiovanni, S / Matas, A / Mateu-Lucena, M / Matichard, F / Matiushechkina, M / Mavalvala, N / McCann, J J / McCarthy, R / McClelland, D E / McClincy, P K / McCormick, S / McCuller, L / McGhee, G I / McGuire, S C / McIsaac, C / McIver, J / McRae, T / 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    Physical review letters

    2022  Volume 129, Issue 6, Page(s) 61104

    Abstract: We report on a search for compact binary coalescences where at least one binary component has a mass between 0.2  M_{⊙} and 1.0  M_{⊙} in Advanced LIGO and Advanced Virgo data collected between 1 April 2019 1500 UTC and 1 October 2019 1500 UTC. We extend ...

    Abstract We report on a search for compact binary coalescences where at least one binary component has a mass between 0.2  M_{⊙} and 1.0  M_{⊙} in Advanced LIGO and Advanced Virgo data collected between 1 April 2019 1500 UTC and 1 October 2019 1500 UTC. We extend our previous analyses in two main ways: we include data from the Virgo detector and we allow for more unequal mass systems, with mass ratio q≥0.1. We do not report any gravitational-wave candidates. The most significant trigger has a false alarm rate of 0.14  yr^{-1}. This implies an upper limit on the merger rate of subsolar binaries in the range [220-24200]  Gpc^{-3} yr^{-1}, depending on the chirp mass of the binary. We use this upper limit to derive astrophysical constraints on two phenomenological models that could produce subsolar-mass compact objects. One is an isotropic distribution of equal-mass primordial black holes. Using this model, we find that the fraction of dark matter in primordial black holes in the mass range 0.2  M_{⊙}<m_{PBH}<1.0  M_{⊙} is f_{PBH}≡Ω_{PBH}/Ω_{DM}≲6%. This improves existing constraints on primordial black hole abundance by a factor of ∼3. The other is a dissipative dark matter model, in which fermionic dark matter can collapse and form black holes. The upper limit on the fraction of dark matter black holes depends on the minimum mass of the black holes that can be formed: the most constraining result is obtained at M_{min}=1  M_{⊙}, where f_{DBH}≡Ω_{DBH}/Ω_{DM}≲0.003%. These are the first constraints placed on dissipative dark models by subsolar-mass analyses.<br />
    Language English
    Publishing date 2022-08-28
    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.129.061104
    Database MEDical Literature Analysis and Retrieval System OnLINE

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