Quantum aspects of antisymmetric tensor field with spontaneous Lorentz violation

Sandeep Aashish; Sukanta Panda

Quantum aspects of antisymmetric tensor field with spontaneous Lorentz violation

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arxiv 1903.11364 v2 pith:JCI4AZFP submitted 2019-03-27 gr-qc hep-th

Sandeep Aashish , Sukanta Panda This is my paper · ORCID

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keywords lorentzantisymmetricfieldmodesquantumspontaneoustensorviolation

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We study the quantization of a simple model of antisymmetric tensor field with spontaneous Lorentz violation in curved spacetime. We evaluate the 1-loop corrections at first order of metric perturbation, using a general covariant effective action approach. We revisit the issue of quantum equivalence, and find that it holds for non-Lorentz-violating modes but breaks down for Lorentz violating modes.

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Periodical orbits and waveforms with spontaneous Lorentz symmetry-breaking in Kalb-Ramond gravity
gr-qc 2024-12 conditional novelty 4.0 of 10

For a Kalb-Ramond black hole, the Lorentz-violating parameter l shifts the radii and energies of the marginal and innermost stable orbits and changes the phase of gravitational waves from extreme-mass-ratio inspirals.

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