Are non-vacuum states much relevant for retrieving shock wave memory of spacetime?
arXiv:2006.04486 · doi:10.1016/j.physletb.2020.135640
Abstract
Shock wave gives back reaction to spacetime and the information is stored in the memory of background. Quantum memory effect of localised shock wave on Minkowski metric is investigated here. We find that the Wightman function for massless scalar field, on both sides of the wave location, turns out to be the same for usual Minkowski spacetime. Therefore the observables obtained from this, for any kind of observer, do not show the signature of the shock. Moreover, the vacuum states of field on both sides are equivalent. On the contrary, the correlator for the non-vacuum state does memorise the classical shock wave and hence the effect of it is visible in the observables, even for any frame. We argue that rather than vacuum state, the non-vacuum ones are relevant to retrieve the quantum information of classical memory.
arXiv commentRef added, to appear in Phys. Lett. B
References in corpus (24)
- The Generalized Uncertainty Principle and Black Hole Remnants
- Soft Hair on Black Holes
- Superrotation Charge and Supertranslation Hair on Black Holes
- Supertranslations and Superrotations at the Black Hole Horizon
- Generalised Uncertainty Principle, Remnant Mass and Singularity Problem in Black Hole Thermodynamics
- Soft Gravitons & the Memory Effect for Plane Gravitational Waves
- Black hole memory effect
- Non-Paradoxical Loss of Information in Black Hole Evaporation in a Quantum Collapse Model
- Tunneling into fuzzball states
- Modified Dispersion Relation, Photon's Velocity, and Unruh Effect
- Soft Hair of Dynamical Black Hole and Hawking Radiation
- Comments on Lorentz Transformations, Dressed Asymptotic States and Hawking Radiation
- Invariance of Unruh and Hawking radiation under matter-induced supertranslations
- Information retrieval from black holes
- Symmetries at the black hole horizon
- Near horizon symmetries, emergence of Goldstone modes and thermality
- Extracting information about the initial state from the black hole radiation
- Spontaneously Broken Asymptotic Symmetries and an Effective Action for Horizon Dynamics
- Hawking evaporation cascade in presence of back reaction effect
- Black Hole Evaporation, Quantum Hair and Supertranslations
- Inertial non-vacuum states viewed from the Rindler frame
- Hawking Flux from a Black Hole with Nonlinear Supertranslation Hair
- Symmetries near a generic charged null surface and associated algebra: an off-shell analysis
- Quantum memory for Rindler supertranslations
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- Shock wave quantum memory in shocked detector