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Book ; Online: Superconducting Non-Reciprocity Based on Time-Modulated Coupled-Resonator Systems

Zhuang, Yi / Gaikwad, Chandrashekhar / Kowsari, Daria / Murch, Kater / Nagulu, Aravind

2023

Abstract: We present a unified approach for designing a diverse range of superconducting non-reciprocal components, including circulators, isolators, and uni-directional amplifiers, based on temporally-modulated coupled resonator networks. Our method leverages ... ...

Abstract	We present a unified approach for designing a diverse range of superconducting non-reciprocal components, including circulators, isolators, and uni-directional amplifiers, based on temporally-modulated coupled resonator networks. Our method leverages standard SQUID-based resonators as building blocks, arranged in various configurations such as series-coupled, wye-connected, and lattice-coupled resonators, to realize a wide range of on-chip non-reciprocal devices. Our theoretical studies demonstrated the effectiveness of the proposed approach, achieving circulators and isolators with near-zero insertion losses and isolation greater than 20 dB, and directional amplifiers with forward gain exceeding 10 dB and reverse isolation greater than 20 dB. To validate our findings, we implemented and measured a series-coupled three-resonator superconducting isolator using a single-layer superconducting process. At a base temperature of 20 mK, our device exhibited insertion loss of 1.3 dB in the forward direction, and isolation of up to 25 dB at the center frequency and greater than 15 dB across a bandwidth of 250 MHz in the reverse direction. Our approach promises to enable the design of a broad range of high-performance non-reciprocal devices for superconducting circuits. Comment: 14 pages, 10 figures
Keywords	Quantum Physics ; Condensed Matter - Mesoscale and Nanoscale Physics ; Condensed Matter - Superconductivity
Subject code	621
Publishing date	2023-07-04
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Cell adhesion strength and tractions are mechano-diagnostic features of cellular invasiveness.

Paddillaya, Neha / Ingale, Kalyani / Gaikwad, Chaitanya / Saini, Deepak Kumar / Pullarkat, Pramod / Kondaiah, Paturu / Menon, Gautam I / Gundiah, Namrata

Soft matter

2022 Volume 18, Issue 23, Page(s) 4378–4388

Abstract: The adhesion of cells to substrates ... ...

Abstract	The adhesion of cells to substrates occurs
MeSH term(s)	Actins/metabolism ; Animals ; Cell Adhesion ; Mice ; NIH 3T3 Cells ; Neoplasms/pathology ; Traction ; Vinculin/metabolism
Chemical Substances	Actins ; Vinculin (125361-02-6)
Language	English
Publishing date	2022-06-15
Publishing country	England
Document type	Journal Article
ZDB-ID	2191476-X
ISSN	1744-6848 ; 1744-683X
ISSN (online)	1744-6848
ISSN	1744-683X
DOI	10.1039/d2sm00015f
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Article ; Online: Increased spontaneous preterm births during the second wave of the coronavirus disease 2019 pandemic in India.

Mahajan, Niraj N / Pednekar, Rahi / Gaikwad, Chaitanya / More, Prajakta / Pophalkar, Madhura / Kesarwani, Shweta / Jnanananda, Bhargavi / Mahale, Smita D / Gajbhiye, Rahul K

International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics

2021 Volume 157, Issue 1, Page(s) 115–120

Abstract: Objective: To compare spontaneous preterm birth (SPTB) and iatrogenic preterm birth (IPTB) rates during both waves of the coronavirus disease 2019 (COVID-19) pandemic.: Methods: Retrospective analysis of the PregCovid registry of pregnant women with ... ...

Abstract	Objective: To compare spontaneous preterm birth (SPTB) and iatrogenic preterm birth (IPTB) rates during both waves of the coronavirus disease 2019 (COVID-19) pandemic. Methods: Retrospective analysis of the PregCovid registry of pregnant women with COVID-19 was performed at a dedicated COVID-19 hospital in Mumbai, India. The data of 1630 women were analyzed for this study between April 4, 2020 and July 4, 2021. Prepandemic data were analyzed and compared with pandemic data. Main outcome measure was spontaneous preterm birth rate. Results: Preterm deliveries were higher during the second wave (46/329; 14%) compared with the first wave (82/807; 10.2%) of the COVID-19 pandemic (P = 0.065). Higher SPTBs were reported during the second wave than the first wave (12.5% versus 8.3%) (P = 0.03) as well as the prepandemic period (12.5% versus 10.5%) (P = 0.286). IPTBs were significantly lower in the pandemic period than in the prepandemic period (1.8 versus 3.3) (P = 0.012). Conclusion: In Mumbai, India, we found an unusual change in SPTBs during the 6 months of the second wave of COVID-19 compared with the previous 10 months of the first wave of pandemic and 1 year of prepandemic.
MeSH term(s)	COVID-19/epidemiology ; Female ; Humans ; Infant, Newborn ; Pandemics ; Pregnancy ; Premature Birth/epidemiology ; Retrospective Studies ; SARS-CoV-2
Language	English
Publishing date	2021-11-05
Publishing country	United States
Document type	Journal Article
ZDB-ID	80149-5
ISSN	1879-3479 ; 0020-7292
ISSN (online)	1879-3479
ISSN	0020-7292
DOI	10.1002/ijgo.13991
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Article ; Online: Increased stillbirth rate during the second wave of COVID-19 pandemic in India.

Mahajan, Niraj N / Gaikwad, Chaitanya / Tayshete, Rajashri / Saldanha, Cara / Pednekar, Rahi / Mahale, Smita D / Gajbhiye, Rahul K

European journal of obstetrics, gynecology, and reproductive biology

2021 Volume 266, Page(s) 191–192

MeSH term(s)	COVID-19 ; Female ; Humans ; India/epidemiology ; Pandemics ; Pregnancy ; SARS-CoV-2 ; Stillbirth/epidemiology
Language	English
Publishing date	2021-09-28
Publishing country	Ireland
Document type	Letter
ZDB-ID	190605-7
ISSN	1872-7654 ; 0301-2115 ; 0028-2243
ISSN (online)	1872-7654
ISSN	0301-2115 ; 0028-2243
DOI	10.1016/j.ejogrb.2021.09.030
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Article ; Online: Search for a Dark-Matter-Induced Cosmic Axion Background with ADMX.

Nitta, T / Braine, T / Du, N / Guzzetti, M / Hanretty, C / Leum, G / Rosenberg, L J / Rybka, G / Sinnis, J / Clarke, John / Siddiqi, I / Awida, M H / Chou, A S / Hollister, M / Knirck, S / Sonnenschein, A / Wester, W / Gleason, J R / Hipp, A T /

Sikivie, P / Sullivan, N S / Tanner, D B / Khatiwada, R / Carosi, G / Robertson, N / Duffy, L D / Boutan, C / Lentz, E / Oblath, N S / Taubman, M S / Yang, J / Daw, E J / Perry, M G / Bartram, C / Buckley, J H / Gaikwad, C / Hoffman, J / Murch, K W / Goryachev, M / Hartman, E / McAllister, B T / Quiskamp, A / Thomson, C / Tobar, M E / Dror, J A / Murayama, H / Rodd, N L

Physical review letters

2023 Volume 131, Issue 10, Page(s) 101002

Abstract: We report the first result of a direct search for a cosmic axion background (CaB)-a relativistic background of axions that is not dark matter-performed with the axion haloscope, the Axion Dark Matter eXperiment (ADMX). Conventional haloscope analyses ... ...

Abstract	We report the first result of a direct search for a cosmic axion background (CaB)-a relativistic background of axions that is not dark matter-performed with the axion haloscope, the Axion Dark Matter eXperiment (ADMX). Conventional haloscope analyses search for a signal with a narrow bandwidth, as predicted for dark matter, whereas the CaB will be broad. We introduce a novel analysis strategy, which searches for a CaB induced daily modulation in the power measured by the haloscope. Using this, we repurpose data collected to search for dark matter to set a limit on the axion photon coupling of a CaB originating from dark matter cascade decay via a mediator in the 800-995 MHz frequency range. We find that the present sensitivity is limited by fluctuations in the cavity readout as the instrument scans across dark matter masses. Nevertheless, we suggest that these challenges can be surmounted using superconducting qubits as single photon counters, and allow ADMX to operate as a telescope searching for axions emerging from the decay of dark matter. The daily modulation analysis technique we introduce can be deployed for various broadband rf signals, such as other forms of a CaB or even high-frequency gravitational waves.
Language	English
Publishing date	2023-09-20
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.131.101002
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Article ; Online: Dark matter axion search using a Josephson Traveling wave parametric amplifier.

Bartram, C / Braine, T / Cervantes, R / Crisosto, N / Du, N / Leum, G / Mohapatra, P / Nitta, T / Rosenberg, L J / Rybka, G / Yang, J / Clarke, John / Siddiqi, I / Agrawal, A / Dixit, A V / Awida, M H / Chou, A S / Hollister, M / Knirck, S /

Sonnenschein, A / Wester, W / Gleason, J R / Hipp, A T / Jois, S / Sikivie, P / Sullivan, N S / Tanner, D B / Lentz, E / Khatiwada, R / Carosi, G / Cisneros, C / Robertson, N / Woollett, N / Duffy, L D / Boutan, C / Jones, M / LaRoque, B H / Oblath, N S / Taubman, M S / Daw, E J / Perry, M G / Buckley, J H / Gaikwad, C / Hoffman, J / Murch, K / Goryachev, M / McAllister, B T / Quiskamp, A / Thomson, C / Tobar, M E / Bolkhovsky, V / Calusine, G / Oliver, W / Serniak, K

The Review of scientific instruments

2023 Volume 94, Issue 4

Abstract: We describe the first implementation of a Josephson Traveling Wave Parametric Amplifier (JTWPA) in an axion dark matter search. The operation of the JTWPA for a period of about two weeks achieved sensitivity to axion-like particle dark matter with axion- ... ...

Abstract	We describe the first implementation of a Josephson Traveling Wave Parametric Amplifier (JTWPA) in an axion dark matter search. The operation of the JTWPA for a period of about two weeks achieved sensitivity to axion-like particle dark matter with axion-photon couplings above 10-13 Ge V-1 over a narrow range of axion masses centered around 19.84 µeV by tuning the resonant frequency of the cavity over the frequency range of 4796.7-4799.5 MHz. The JTWPA was operated in the insert of the axion dark matter experiment as part of an independent receiver chain that was attached to a 0.56-l cavity. The ability of the JTWPA to deliver high gain over a wide (3 GHz) bandwidth has engendered interest from those aiming to perform broadband axion searches, a longstanding goal in this field.
Language	English
Publishing date	2023-12-12
Publishing country	United States
Document type	Journal Article
ZDB-ID	209865-9
ISSN	1089-7623 ; 0034-6748
ISSN (online)	1089-7623
ISSN	0034-6748
DOI	10.1063/5.0122907
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Article ; Online: Impact of SARS-CoV-2 on multiple gestation pregnancy.

Mahajan, Niraj N / Ansari, Munira / Gaikwad, Chaitanya / Jadhav, Priyanka / Tirkey, Deepika / Pophalkar, Madhura P / Bhurke, Aishwarya V / Modi, Deepak N / Mahale, Smita D / Gajbhiye, Rahul K

International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics

2020 Volume 152, Issue 2, Page(s) 220–225

Abstract: Objective: To assess clinical presentations, pregnancy complications, and maternal and neonatal outcomes among women with multiple gestation pregnancy (MGP) and confirmed SARS-CoV-2 (COVID-19) infection and to compare the data with a pre-pandemic period. ...

Abstract	Objective: To assess clinical presentations, pregnancy complications, and maternal and neonatal outcomes among women with multiple gestation pregnancy (MGP) and confirmed SARS-CoV-2 (COVID-19) infection and to compare the data with a pre-pandemic period. Methods: A retrospective study at a dedicated COVID-19 Hospital in Mumbai, India. Data were obtained from the PregCovid Registry of pregnant and postpartum women with PCR-confirmed SARS-CoV-2 infection from April to September, 2020. Data were also compared with a cohort of women with MGP attending the hospital pre-pandemic (n = 63). Results: Data from 879 women (singleton pregnancy, n = 859; MGP, n = 20) with COVID-19 were assessed. The twinning rate was 34.2 per 1000 births. As compared with singleton pregnancies, a higher proportion of women with MGP and Covid-19 delivered preterm (P = 0.001). Spontaneous abortions were also higher in the MGP group than in the singleton group (P = 0.055). The incidence of pre-eclampsia/eclampsia was higher in the COVID-19 MGP group than in both the COVID-19 singleton (41.6% vs. 7.9%) and pre-pandemic MGP (50.0% vs. 12.7%) groups. Conclusion: There was a higher risk of pre-eclampsia among women with MGP and COVID-19. Women with MGP and COVID-19 infection should receive special attention with a multidisciplinary approach to both maternal and neonatal care during the pandemic.
MeSH term(s)	Abortion, Spontaneous/epidemiology ; Adult ; COVID-19/complications ; Cohort Studies ; Female ; Humans ; India ; Infant, Newborn ; Pandemics ; Pre-Eclampsia/epidemiology ; Pregnancy ; Pregnancy Complications, Infectious/epidemiology ; Pregnancy Complications, Infectious/virology ; Pregnancy Outcome/epidemiology ; Pregnancy, Multiple ; Retrospective Studies
Language	English
Publishing date	2020-12-18
Publishing country	United States
Document type	Journal Article
ZDB-ID	80149-5
ISSN	1879-3479 ; 0020-7292
ISSN (online)	1879-3479
ISSN	0020-7292
DOI	10.1002/ijgo.13508
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Zs.A 355: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (1.OG) ab Jg. 2022: Lesesaal (EG)
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Article ; Online: Search for Invisible Axion Dark Matter in the 3.3-4.2 μeV Mass Range.

Bartram, C / Braine, T / Burns, E / Cervantes, R / Crisosto, N / Du, N / Korandla, H / Leum, G / Mohapatra, P / Nitta, T / Rosenberg, L J / Rybka, G / Yang, J / Clarke, John / Siddiqi, I / Agrawal, A / Dixit, A V / Awida, M H / Chou, A S /

Hollister, M / Knirck, S / Sonnenschein, A / Wester, W / Gleason, J R / Hipp, A T / Jois, S / Sikivie, P / Sullivan, N S / Tanner, D B / Lentz, E / Khatiwada, R / Carosi, G / Robertson, N / Woollett, N / Duffy, L D / Boutan, C / Jones, M / LaRoque, B H / Oblath, N S / Taubman, M S / Daw, E J / Perry, M G / Buckley, J H / Gaikwad, C / Hoffman, J / Murch, K W / Goryachev, M / McAllister, B T / Quiskamp, A / Thomson, C / Tobar, M E

Physical review letters

2022 Volume 127, Issue 26, Page(s) 261803

Abstract: We report the results from a haloscope search for axion dark matter in the 3.3-4.2 μeV mass range. This search excludes the axion-photon coupling predicted by one of the benchmark models of "invisible" axion dark matter, the Kim-Shifman-Vainshtein- ... ...

Abstract	We report the results from a haloscope search for axion dark matter in the 3.3-4.2 μeV mass range. This search excludes the axion-photon coupling predicted by one of the benchmark models of "invisible" axion dark matter, the Kim-Shifman-Vainshtein-Zakharov model. This sensitivity is achieved using a large-volume cavity, a superconducting magnet, an ultra low noise Josephson parametric amplifier, and sub-Kelvin temperatures. The validity of our detection procedure is ensured by injecting and detecting blind synthetic axion signals.
Language	English
Publishing date	2022-01-14
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.127.261803
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Article: Comparative performance of ratooning versus planting of sorghum hybrids and maldandi 35-1 under rainfed conditions

Gaikwad, C.B / Jadhav, A.S / Kalbhor, P.N

Journal of Maharashtra agricultural universities. May 1984. v. 9 (2)

1984

Title variant	Comparative performance of ratooning versus planting of sorghum hybrids and maldandi 35-1 under rainfed conditions [India]
Keywords	India
Language	English
Dates of publication	1984-05
Size	p. 147-149.
Document type	Article
ZDB-ID	406505-0
ISSN	0378-2395
ISSN	0378-2395
Database	NAL-Catalogue (AGRICOLA)

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Article: Performance of sorghum hybrids under rainfed conditions of Pune Region

Gaikwad, C.B / Jadhav, A.S / Kalbhor, P.N

Journal of Maharashtra agricultural universities. May 1984. v. 9 (2)

1984

Title variant	Performance of sorghum hybrids under rainfed conditions of Pune Region [India]
Keywords	India
Language	English
Dates of publication	1984-05
Size	p. 223-224.
Document type	Article
ZDB-ID	406505-0
ISSN	0378-2395
ISSN	0378-2395
Database	NAL-Catalogue (AGRICOLA)

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