New simulations show that cross-correlating gravitational wave background anisotropies with galaxy distributions can enable discovery at angular scales of 4-6 degrees with next-generation observatories.
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Spectral features imprinted by long-lived BSM particles on any primordial GWB directly determine the particles' mass and decay rate once the model and initial abundance are specified.
A new phase-coherent mapping framework for pulsar timing arrays that preserves the complete complex polarization state of the gravitational-wave sky in compact maps usable for multiple analyses.
A perturbative analytical model of gravitational waves on an exact Bianchi IV background is derived via the proper-time method and shown to be stable.
Cosmic Explorer is described as a next-generation gravitational-wave observatory aiming for tenfold sensitivity improvement over Advanced LIGO to observe signals from the edge of the observable universe at z~100.
citing papers explorer
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Prospects for multi-messenger discovery of the gravitational-wave background anisotropies via cross-correlation with galaxies
New simulations show that cross-correlating gravitational wave background anisotropies with galaxy distributions can enable discovery at angular scales of 4-6 degrees with next-generation observatories.
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Irreducible Gravitational Wave Background as a Particle Detector
Spectral features imprinted by long-lived BSM particles on any primordial GWB directly determine the particles' mass and decay rate once the model and initial abundance are specified.
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A comprehensive framework for phase-coherent mapping of the gravitational-wave sky with pulsar timing arrays
A new phase-coherent mapping framework for pulsar timing arrays that preserves the complete complex polarization state of the gravitational-wave sky in compact maps usable for multiple analyses.
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Linear perturbations of an exact gravitational wave in the Bianchi IV universe
A perturbative analytical model of gravitational waves on an exact Bianchi IV background is derived via the proper-time method and shown to be stable.
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A Horizon Study for Cosmic Explorer: Science, Observatories, and Community
Cosmic Explorer is described as a next-generation gravitational-wave observatory aiming for tenfold sensitivity improvement over Advanced LIGO to observe signals from the edge of the observable universe at z~100.