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Information loss in black holes and the unitarity of quantum mechanics

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Author(s):
Gabriel Cozzella
Total Authors: 1
Document type: Master's Dissertation
Press: São Paulo. 2016-08-24.
Institution: Universidade Estadual Paulista (Unesp). Instituto de Física Teórica (IFT). São Paulo
Defense date:
Advisor: George Emanuel Avraam Matsas
Abstract

The quantum theory of fields in curved space-times is the most solid framework for studying the interplay between gravity and quantum mechanics in the absence of a complete theory of quantum gravity. In this scenario, one problem that has drawn much attention from the theoretical physics community in the last decades is the so-called “black hole information loss paradox”, where the evolution from an initial pure quantum state to a final mixed quantum state would constitute a violation of the laws of quantum mechanics. In this dissertation we argue that information loss does not violate quantum mechanics, being simply a consequence of the semi-classical framework adopted and that the question of information recovery needs to be addressed by a yet unknown theory of quantum gravity. (AU)

FAPESP's process: 14/08684-9 - Information loss, black holes and unitarity in quantum mechanics
Grantee:Gabriel Cozzella
Support Opportunities: Scholarships in Brazil - Master