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Testing Gravity with Pulsars in the SKA Era

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arxiv 1501.00058 v1 pith:M2J56K4U submitted 2014-12-31 astro-ph.HE astro-ph.IMastro-ph.SRgr-qc

Testing Gravity with Pulsars in the SKA Era

Lijing Shao , Ingrid H. Stairs , John Antoniadis , Adam T. Deller , Paulo C. C. Freire , Jason W. T. Hessels , Gemma H. Janssen , Michael Kramer
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Jutta Kunz Claus L\"ammerzahl Volker Perlick Andrea Possenti Scott Ransom Benjamin W. Stappers Willem van Straten
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classification astro-ph.HE astro-ph.IMastro-ph.SRgr-qc
keywords pulsarspulsarwillgravitationgravitationalgravitystrongsystems
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The Square Kilometre Array (SKA) will use pulsars to enable precise measurements of strong gravity effects in pulsar systems, which yield tests of gravitational theories that cannot be carried out anywhere else. The Galactic census of pulsars will discover dozens of relativistic pulsar systems, possibly including pulsar -- black hole binaries which can be used to test the "cosmic censorship conjecture" and the "no-hair theorem". Also, the SKA's remarkable sensitivity will vastly improve the timing precision of millisecond pulsars, allowing probes of potential deviations from general relativity (GR). Aspects of gravitation to be explored include tests of strong equivalence principles, gravitational dipole radiation, extra field components of gravitation, gravitomagnetism, and spacetime symmetries.

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Cited by 4 Pith papers

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

  1. Granular mass perturbations on the pulsar - supermassive black hole system

    astro-ph.HE 2026-06 unverdicted novelty 6.0

    Simulations find granular stellar-mass black hole cusp induces 10-100 s timing residuals in pulsar-SMBH orbits, with periastron-only analysis plus frame-dragging improving spin precision by ~10x.

  2. New test of modified gravity with gravitational wave experiments

    gr-qc 2025-09 conditional novelty 6.0

    For a stationary, isotropic gravitational wave background, three-point correlations are produced only by scalar polarizations, giving a new null test for modified gravity.

  3. Unveiling the Gravitational Universe at \mu-Hz Frequencies

    astro-ph.IM 2019-08 unverdicted novelty 5.0

    Proposal for a μ-Hz space-based gravitational wave interferometer to observe massive black hole binaries in early inspiral and low-frequency galactic binaries.

  4. Pulsars in Globular Clusters With the SKAO

    astro-ph.HE 2026-07 conditional novelty 3.0

    SKA-MID and SKA-LOW are predicted to discover 150–1700 new pulsars in Galactic globular clusters, more than doubling the current population of 345.