New search pipeline for gravitational waves with higher-order modes using mode-by-mode filtering

D Wadekar, T Venumadhav, J Roulet, AK Mehta… - Physical Review D, 2024 - APS
Nearly all template-based gravitational wave (GW) searches only include the quasicircular
quadrupolar modes of the signals in their templates. Including additional degrees of freedom …

New approach to template banks of gravitational waves with higher harmonics: Reducing matched-filtering cost by over an order of magnitude

D Wadekar, T Venumadhav, AK Mehta, J Roulet… - Physical Review D, 2024 - APS
Searches for gravitational wave events use models, or templates, for the signals of interest.
The templates used in current searches in the LIGO-Virgo-KAGRA data model the dominant …

Impact of spin in compact binary foreground subtraction for estimating the residual stochastic gravitational-wave background in ground-based detectors

H Song, D Liang, Z Wang, L Shao - Physical Review D, 2024 - APS
Stochastic gravitational-wave (GW) background (SGWB) contains information about the
early Universe and astrophysical processes. The recent evidence of SGWB by pulsar timing …

Detecting dark matter halos with extreme mass-ratio inspirals

C Zhang, G Fu, N Dai - Journal of Cosmology and Astroparticle …, 2024 - iopscience.iop.org
Extreme mass ratio inspirals (EMRIs), where a small compact object inspirals into a
supermassive black hole, are excellent sources for the space-based laser interferometer …

New black hole mergers in the LIGO-Virgo O3 data from a gravitational wave search including higher-order harmonics

D Wadekar, J Roulet, T Venumadhav, AK Mehta… - arXiv preprint arXiv …, 2023 - arxiv.org
Nearly all of the previous gravitational wave (GW) searches in the LIGO-Virgo data included
GW waveforms with only the dominant quadrupole mode, ie, omitting higher-order …

Compact Binary Foreground Subtraction for Detecting the Stochastic Gravitational-wave Background in Ground-based Detectors

H Song, D Liang, Z Wang, L Shao - arXiv preprint arXiv:2401.00984, 2024 - arxiv.org
Stochastic gravitational-wave (GW) background (SGWB) contains information about the
early Universe and astrophysical processes. The recent evidence of SGWB by pulsar timing …

Detecting dark matter with extreme mass-ratio inspirals

C Zhang, G Fu, N Dai - arXiv preprint arXiv:2401.04467, 2024 - arxiv.org
Extreme mass ratio inspirals (EMRIs), where a small compact object inspiralls onto a
supermassive black hole, are excellent sources for the space-based laser interferometer …

Sky localization of space-based detectors with time-delay interferometry

T Jiang, Y Gong, X Lu - Journal of Cosmology and Astroparticle …, 2024 - iopscience.iop.org
The accurate sky localization of gravitational wave (GW) sources is an important scientific
goal for space-based GW detectors. The main differences between future space-based GW …