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Semiclassical gravity beyond coherent states

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arxiv 2310.16289 v1 pith:Q372PMRE submitted 2023-10-25 quant-ph gr-qchep-th

Shahnewaz Ahmed , Caroline Lima , Eduardo Martín-Martínez This is my paper
classification quant-phgr-qchep-th
keywords coherentgravitysemiclassicalstatesbeyondfieldalmost-distinguishablebackreaction
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We show that it is possible to still use semiclassical gravity together with quantum field theory beyond the regimes where the field state is coherent. In particular, we identify families of cat states (superposition of almost-distinguishable coherent states that have very non-classical features) for which the gravitational backreaction can be modeled by semiclassical gravity.

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Cited by 1 Pith paper

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  1. Recent developments in semiclassical gravity

    gr-qc 2025-09 unverdicted novelty 2.0 of 10

    A short survey of semiclassical gravity advances, with emphasis on the author's own results on the initial value problem and a conjecture that black hole information loss is avoided.

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