Recovering information in an asymptotically flat spacetime in quantum gravity

Abstract

As an extension of arXiv:\{2002.02448, 2008.10740\} we present a physical protocol that a set of observers can use to detect a pure state in the bulk when they are spread across a small cut near ${\mathcal{I}}_{-}^{+}$ in flat spacetime. The protocol involves the modification of a bulk state using simple unitary operators and measurements of the energy of the state. The states that we study are constructed by acting with low energy operators on a vacuum state such that a perturbative analysis is valid. We restrict ourselves to $3+1$ dimensional spacetimes and only consider massless excitations. From this analysis, the principle of holography of information becomes manifest in the case of asymptotically flat spacetime.

arXiv comment26 pages, 1 figure, 1 Mathematica file

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Cited by in corpus (1)

• Holography of information in massive gravity using Dirac brackets