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Approximate Spacetime for Neutron Stars

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arxiv 1802.02439 v3 pith:BDJZVDU2 submitted 2018-02-05 gr-qc

classification gr-qc
keywords metricmassapproximateneutronparametersspacetimespinstars
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An approximate realistic metric representing the spacetime of neutron stars is obtained by perturbing the Kerr metric. This metric has five parameters, namely the mass, spin or angular momentum, mass quadrupole, spin octupole and mass hexadecapole. Moreover, a version of the Hartle-Thorne metric containing these parameters is constructed by means of a series transformation between these spacetimes and solving the Einstein field equations. The form of the Pappas metric in Schwarzschild spherical coordinates is found. The three relativistic multipole structures are compared.

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

  1. Gravitational Waves from Accretion Disks: Turbulence, Mode Excitation and Prospects for Future Detectors

    gr-qc 2025-02 conditional novelty 6.0 of 10

    Turbulent accretion disks can stochastically excite black hole quasinormal ringing, but the resulting gravitational-wave background is below the reach of near-term detectors.

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