On the approximate relation between black-hole perturbation theory and numerical relativity

Tousif Islam, Gaurav Khanna

arXiv:2307.03155

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Interplay between numerical-relativity and black hole perturbation theory in the intermediate-mass-ratio regime

Tousif Islam

arXiv:2306.08771

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Interplay between numerical relativity and perturbation theory : finite size effects

Tousif Islam, Gaurav Khanna

arXiv:2306.08767

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White dwarf mass-radius relation in theories beyond general relativity

Khursid Alam, Tousif Islam

arXiv:2301.08677

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Remnant black hole properties from numerical-relativity-informed perturbation theory and implications for waveform modelling

 Tousif Islam, Scott E. Field, Gaurav Khanna

arXiv:2301.07215

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Towards exponentially-convergent simulations of extreme-mass-ratio inspirals: A time-domain solver for the scalar Teukolsky equation with singular source terms

Manas Vishal, Scott E. Field, Katherine Rink, Sigal Gottlieb, Gaurav Khanna

arXiv:2307.01349

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Numerical relativity surrogate model with memory effects and post-Newtonian hybridization

Jooheon Yoo, Keefe Mitman, Vijay Varma, Michael Boyle, Scott E. Field, Nils Deppe, François Hébert, Lawrence E. Kidder, Jordan Moxon, Harald P. Pfeiffer, Mark A. Scheel, Leo C. Stein, Saul A. Teukolsky, William Throwe, Nils L. Vu

arXiv:2306.03148

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An observational signature for extremal black holes

Stefanos Aretakis, Gaurav Khanna, Subir Sabharwal

arXiv:2307.03963

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When to Point Your Telescopes: Gravitational Wave Trigger Classification for Real-Time Multi-Messenger Followup Observations

Anarya Ray, Wanting Niu, Shio Sakon, Becca Ewing, Jolien D. E. Creighton, Chad Hanna, Shomik Adhicary, Pratyusava Baral, Amanda Baylor, Kipp Cannon, Sarah Caudill, Bryce Cousins, Heather Fong, Richard N. George, Patrick Godwin, Reiko Harada, Yun-Jing Huang, Rachael Huxford, Prathamesh Joshi, Shasvath Kapadia, James Kennington, Soichiro Kuwahara, Alvin K. Y. Li, Ryan Magee, Duncan Meacher , et al. (14 additional authors not shown)

arXiv:2306.07190

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Improved ranking statistics of the GstLAL inspiral search for compact binary coalescences

Leo Tsukada, Prathamesh Joshi, Shomik Adhicary, Richard George, Andre Guimaraes, Chad Hanna, Ryan Magee, Aaron Zimmerman, Pratyusava Baral, Amanda Baylor, Kipp Cannon, Sarah Caudill, Bryce Cousins, Jolien D. E. Creighton, Becca Ewing, Heather Fong, Patrick Godwin, Reiko Harada, Yun-Jing Huang, Rachael Huxford, James Kennington, Soichiro Kuwahara, Alvin K. Y. Li, Duncan Meacher, Cody Messick , et al. (15 additional authors not shown)

arXiv:2305.06286

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Performance of the low-latency GstLAL inspiral search towards LIGO, Virgo, and KAGRA’s fourth observing run

Becca Ewing, Rachael Huxford, Divya Singh, Leo Tsukada, Chad Hanna, Yun-Jing Huang, Prathamesh Joshi, Alvin K. Y. Li, Ryan Magee, Cody Messick, Alex Pace, Anarya Ray, Surabhi Sachdev, Shio Sakon, Ron Tapia, Shomik Adhicary, Pratyusava Baral, Amanda Baylor, Kipp Cannon, Sarah Caudill, Sushant Sharma Chaudhary, Michael W. Coughlin, Bryce Cousins, Jolien D. E. Creighton, Reed Essick , et al. (18 additional authors not shown)

arXiv:2305.05625

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Statistical validation of the detection of a sub-dominant quasi-normal mode in GW190521

Collin D. Capano, Jahed Abedi, Shilpa Kastha, Alexander H. Nitz, Julian Westerweck, Yi-Fan Wang, Miriam Cabero, Alex B. Nielsen, Badri Krishnan

arXiv:2209.00640

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Applications of Deep Learning to physics workflows

Manan Agarwal, Jay Alameda, Jeroen Audenaert, Will Benoit, Damon Beveridge, Meghna Bhattacharya, Chayan Chatterjee, Deep Chatterjee, Andy Chen, Muhammed Saleem Cholayil, Chia-Jui Chou, Sunil Choudhary, Michael Coughlin, Maximilian Dax, Aman Desai, Andrea Di Luca, Javier Mauricio Duarte, Steven Farrell, Yongbin Feng, Pooyan Goodarzi, Ekaterina Govorkova, Matthew Graham, Jonathan Guiang, Alec Gunny, Weichangfeng Guo , et al. (43 additional authors not shown)

arXiv:2306.08106

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Extending black-hole remnant surrogate models to extreme mass ratios

Matteo Boschini, Davide Gerosa, Vijay Varma, Cristobal Armaza, Michael Boyle, Marceline S. Bonilla, Andrea Ceja, Yitian Chen, Nils Deppe, Matthew Giesler, Lawrence E. Kidder, Guillermo Lara, Oliver Long, Sizheng Ma, Keefe Mitman, Peter James Nee, Harald P. Pfeiffer, Antoni Ramos-Buades, Mark A. Scheel, Nils L. Vu, Jooheon Yoo

arXiv:2307.03435

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The directional isotropy of LIGO-Virgo binaries

Maximiliano Isi, Will M. Farr, Vijay Varma

arXiv:2304.13254

Is Time Travel Possible?

The laws of physics allow time travel. So why haven’t people become chronological hoppers?

https://www.scientificamerican.com/article/is-time-travel-possible/

Aretakis Hair for Extreme Kerr Black Holes with Axisymmetric Scalar Perturbations

Lior M. Burko, Gaurav Khanna, Subir Sabharwal

arXiv:2304.06210 (2023)

pySEOBNR: a software package for the next generation of effective-one-body multipolar waveform models

Deyan P. Mihaylov, Serguei Ossokine, Alessandra Buonanno, Hector Estelles, Lorenzo Pompili, Michael Pürrer, Antoni Ramos-Buades

arXiv:2303.18203 (2023)

Laying the foundation of the effective-one-body waveform models SEOBNRv5: improved accuracy and efficiency for spinning non-precessing binary black holes

Lorenzo Pompili, Alessandra Buonanno, Héctor Estellés, Mohammed Khalil, Maarten van de Meent, Deyan P. Mihaylov, Serguei Ossokine, Michael Pürrer, Antoni Ramos-Buades, Ajit Kumar Mehta, Roberto Cotesta, Sylvain Marsat, Michael Boyle, Lawrence E. Kidder, Harald P. Pfeiffer, Mark A. Scheel, Hannes R. Rüter, Nils Vu, Reetika Dudi, Sizheng Ma, Keefe Mitman, Denyz Melchor, Sierra Thomas, Jennifer Sanchez

arXiv:2303.18039 (2023)

Here is a Quanta story featuring the research of former and current UMass Dartmouth graduate students Niranjan Roy, Vishal Tiwari, Daniel Kosakowski, and Dr. Rahul Kashyap:
https://www.quantamagazine.org/what-lights-the-universes-standard-candles-20230208/

The results featured were published in an Astrophysical Journal Letter earlier this year with Niranjan as lead author and the other current and former students as co-authors along with collaborators in Israel, the UK, and Spain.

Gravitational-wave template banks for novel compact binaries

Stefano Schmidt, Bhooshan Gadre, Sarah Caudill

arXiv:2302.00436 (2023)

Remnant black hole properties from numerical-relativity-informed perturbation theory and implications for waveform modelling

Tousif Islam, Scott E. Field, Gaurav Khanna

Preprint: arXiv:2301.07215 (2023)

Ritesh just posted his new paper on angular momentum in black hole binaries on the arXiv. The paper is collaborative work with Prof. Richard Price at MIT.

Angular Momentum for Black Hole Binaries in Numerical Relativity

Ritesh Bachhar, Richard Price, Gaurav Khanna

Preprint: arXiv:2301.01185 (2023)

Template bank for compact binary mergers in the fourth observing run of Advanced LIGO, Advanced Virgo, and KAGRA

 Shio Sakon, Leo Tsukada, Heather Fong, Chad Hanna, James Kennington, Shomik Adhicary, Kipp Cannon, Sarah Caudill, Bryce Cousins, Jolien D. E. Creighton, Becca Ewing, Patrick Godwin, Yun-Jing Huang, Rachael Huxford, Prathamesh Joshi, Ryan Magee, Cody Messick, Soichiro Morisaki, Debnandini Mukherjee, Wanting Niu, Alex Pace, Cort Posnansky, Surabhi Sachdev, Divya Singh, Ron Tapia , et al.

Preprint arXiv:2211.16674  (2022)

Adapting to noise distribution shifts in flow-based gravitational-wave inference

Jonas Wildberger, Maximilian Dax, Stephen R. Green, Jonathan Gair, Michael Pürrer, Jakob H. Macke, Alessandra Buonanno, Bernhard Schölkopf

Preprint: arXiv:2211.08801 (2022)