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Nonlocality vs. complementarity: a conservative approach to the information problem

A proposed resolution of the information paradox is that "nice slice" states, which have been viewed as providing a sharp argument for information loss, do not in fact do so as they do not give a fully accurate description of the quantum state of a black hole. This leaves an information pr...

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Autor principal: Giddings, Steven B.
Lenguaje:eng
Publicado: 2009
Materias:
Acceso en línea:https://dx.doi.org/10.1088/0264-9381/28/2/025002
http://cds.cern.ch/record/1223359
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author Giddings, Steven B.
author_facet Giddings, Steven B.
author_sort Giddings, Steven B.
collection CERN
description A proposed resolution of the information paradox is that "nice slice" states, which have been viewed as providing a sharp argument for information loss, do not in fact do so as they do not give a fully accurate description of the quantum state of a black hole. This leaves an information problem, which is to provide a consistent description of how information escapes when a black hole evaporates. While a more extreme form of nonlocality has been advocated in the form of complementarity, this paper argues that is not necessary, and more modest nonlocality could solve the information problem. The question of whether such nonlocality implies acausality, and particularly inconsistency, is briefly addressed. The need for such nonlocality, and its apparent tension with our empirical observations of local quantum field theory, may be a critical missing piece in understanding the principles of quantum gravity.
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institution Organización Europea para la Investigación Nuclear
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spelling cern-12233592023-03-15T19:11:46Zdoi:10.1088/0264-9381/28/2/025002http://cds.cern.ch/record/1223359engGiddings, Steven B.Nonlocality vs. complementarity: a conservative approach to the information problemParticle Physics - TheoryA proposed resolution of the information paradox is that "nice slice" states, which have been viewed as providing a sharp argument for information loss, do not in fact do so as they do not give a fully accurate description of the quantum state of a black hole. This leaves an information problem, which is to provide a consistent description of how information escapes when a black hole evaporates. While a more extreme form of nonlocality has been advocated in the form of complementarity, this paper argues that is not necessary, and more modest nonlocality could solve the information problem. The question of whether such nonlocality implies acausality, and particularly inconsistency, is briefly addressed. The need for such nonlocality, and its apparent tension with our empirical observations of local quantum field theory, may be a critical missing piece in understanding the principles of quantum gravity.A proposal for resolution of the information paradox is that 'nice slice' states, which have been viewed as providing a sharp argument for information loss, do not in fact do so as they do not give a fully accurate description of the quantum state of a black hole. This however leaves an information *problem*, which is to provide a consistent description of how information escapes when a black hole evaporates. While a rather extreme form of nonlocality has been advocated in the form of complementarity, this paper argues that is not necessary, and more modest nonlocality could solve the information problem. One possible distinguishing characteristic of scenarios is the information retention time. The question of whether such nonlocality implies acausality, and particularly inconsistency, is briefly addressed. The need for such nonlocality, and its apparent tension with our empirical observations of local quantum field theory, may be a critical missing piece in understanding the principles of quantum gravity.arXiv:0911.3395CERN-PH-TH-2009-221CERN-PH-TH-2009-221oai:cds.cern.ch:12233592009-11-19
spellingShingle Particle Physics - Theory
Giddings, Steven B.
Nonlocality vs. complementarity: a conservative approach to the information problem
title Nonlocality vs. complementarity: a conservative approach to the information problem
title_full Nonlocality vs. complementarity: a conservative approach to the information problem
title_fullStr Nonlocality vs. complementarity: a conservative approach to the information problem
title_full_unstemmed Nonlocality vs. complementarity: a conservative approach to the information problem
title_short Nonlocality vs. complementarity: a conservative approach to the information problem
title_sort nonlocality vs. complementarity: a conservative approach to the information problem
topic Particle Physics - Theory
url https://dx.doi.org/10.1088/0264-9381/28/2/025002
http://cds.cern.ch/record/1223359
work_keys_str_mv AT giddingsstevenb nonlocalityvscomplementarityaconservativeapproachtotheinformationproblem