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Future Prospects for Probing Scalar-Tensor Theories with Gravitational Waves from Mixed Binaries

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arxiv 1907.03897 v4 pith:VOED2AGJ submitted 2019-07-08 gr-qc astro-ph.HE

classification gr-qcastro-ph.HE
keywords binariesblackboundsfuturegeneralholeneutronrelativity
verification ladder T0 review T1 audit T2 compute T3 formal
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The extreme-gravity collisions of binaries with one black hole and one neutron star provide for excellent tests of general relativity. We here study how well one can constrain theories beyond general relativity with additional scalar fields that allow for spontaneous scalarization of neutron stars, and those motivated from string theory. We find that existing bounds can be improved with current gravitational-wave detectors if the black hole mass is sufficiently small. Bounds will further improve by many orders of magnitude with future detections, especially by combining multiple events.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Lorentz-violating matter-gravity couplings in small-eccentricity binary pulsars

    hep-ph 2019-08 accept novelty 6.0 of 10

    Using three small-eccentricity relativistic binary pulsars, this paper obtains order-of-magnitude upper limits on SME matter-gravity coefficients for neutrons, protons, and electrons.

  2. Parameterized and Consistency Tests of Gravity with Gravitational Waves: Current and Future

    gr-qc 2019-08 conditional novelty 2.0 of 10

    A review of ppE and IMR consistency tests of GR with GWs, forecasting that future multi-band detectors can improve bounds on modified gravity by orders of magnitude.

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