Complementarity Endures: No Firewall for an Infalling Observer - INSPIRE

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Complementarity Endures: No Firewall for an Infalling Observer

Yasunori Nomura
(
- UC, Berkeley and
- LBL, Berkeley
)
,
Jaime Varela
(
- UC, Berkeley and
- LBL, Berkeley
)
,
Sean J. Weinberg
(
- UC, Berkeley and
- LBL, Berkeley
)

Jul, 2012

12 pages

Published in:

JHEP 03 (2013) 059

e-Print:

1207.6626 [hep-th]

DOI:

10.1007/JHEP03(2013)059

Report number:

UCB-PTH-12-12

View in:

ADS Abstract Service

reference search97 citations

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Abstract: (Springer)

We argue that the complementarity picture, as interpreted as a reference frame change represented in quantum gravitational Hilbert space, does not suffer from the “firewall paradox” recently discussed by Almheiri, Marolf, Polchinski, and Sully. A quantum state described by a distant observer evolves unitarily, with the evolution law well approximated by semi-classical field equations in the region away from the (stretched) horizon. And yet, a classical infalling observer does not see a violation of the equivalence principle, and thus a firewall, at the horizon. The resolution of the paradox lies in careful considerations on how a (semi-)classical world arises in unitary quantum mechanics describing the whole universe/multiverse.

Note:

11 pages, 1 figure; clarifications and minor revisions; v3: a small calculation added for clarification; v4: some corrections, conclusion unchanged

equivalence principle: violation
unitarity
horizon
quantum mechanics
quantum gravity
field equations
multiverse

References(25)

Figures(1)

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