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Entanglement and Generalized Berry Geometrical Phases in Quantum Gravity
Version 1
: Received: 6 June 2024 / Approved: 6 June 2024 / Online: 7 June 2024 (04:51:05 CEST)
How to cite: CIRILO-LOMBARDO, D. J.; SANCHEZ, N. G. Entanglement and Generalized Berry Geometrical Phases in Quantum Gravity. Preprints 2024, 2024060410. https://doi.org/10.20944/preprints202406.0410.v1 CIRILO-LOMBARDO, D. J.; SANCHEZ, N. G. Entanglement and Generalized Berry Geometrical Phases in Quantum Gravity. Preprints 2024, 2024060410. https://doi.org/10.20944/preprints202406.0410.v1
Abstract
A new formalism is introduced that makes it possible to elucidate the physical and geometric content of quantum spacetime. It
is based in the Minimum Group Representation Principle (MGRP). Within this framework new results for entanglement and geometrical/topological phases are found and implemented in cosmological and black hole space-times.
Our main results here are:
{\bf(i)} We find the Berry phases for inflation and for the cosmological perturbations and express them in terms of the observables, as the spectral scalar and tensor indices, $n_S$ an $n_T$, and the tensor to scalar ratio $r$. The Berry phase for de Sitter inflation is imaginary with the sign describing the exponential acceleration.
{\bf(ii)} The pure entangled states in the minimum group (metaplectic) $Mp(n)$ representation for quantum de Sitter space-time and black holes are found. {\bf(iii)} For entanglement, the relation between
the Schmidt type representation and the
physical states of the $Mp(n)$ group
is found: This is a {\it new non-diagonal} coherent state
representation complementary to the known
Sudarshan diagonal one. {\bf(iv)} Mean value generators of $Mp(2)$ are
related to the adiabatic invariant and topological charge of the spacetime (matrix element of the
transition $-\infty < t < \infty$). {\bf(v)} The basic {\it even} and {\it odd} $n$-sectors of the Hilbert space are intrinsic to the quantum spacetime and its discrete levels (in particular continuum for $n \rightarrow \infty$), they do not require any extrinsic generation
process as the standard Schrodinger cat
states, and are {\it entangled}. {\bf(vi)} The gravity or cosmological domains in one side and another of the Planck scale are {\it entangled}. Examples: The quantum primordial trans-Planckian de Sitter vacuum and the classical late de Sitter vacuum today; the central quantum gravity reqion and the external classical gravity region of black holes. The classical and quantum dual gravity regions of the space-time are entangled. {\bf(vii)} The general classical-quantum gravity duality is associated to the Metaplectic $Mp(n)$ group symmetry which provides the complete full covering of the phase space and of the quantum space-time mapped from it.
Keywords
Quantum Physics; Quantum Information; Quantum Gravity; Symmetry Groups; Trans-Planckian Physics
Subject
Physical Sciences, Theoretical Physics
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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