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  Horizon thermodynamics and composite metrics

Sindoni, L. (2013). Horizon thermodynamics and composite metrics. Journal of Physics: Conference Series, 410: 012140.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-2327-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-8FAB-F
Genre: Conference Paper

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1211.2731 (Preprint), 194KB
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 Creators:
Sindoni, Lorenzo1, Author              
Affiliations:
1Microscopic Quantum Structure & Dynamics of Spacetime, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_67201              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: We examine the conditions under which the thermodynamic behaviour of gravity can be explained within an emergent gravity scenario, where the metric is defined as a composite operator. We show that due to the availability of a boundary of a boundary principle for the quantum effective action, Clausius-like relations can always be constructed. Hence, any true explanation of the thermodynamic nature of the metric tensor has to be referred to an equilibration process, associated to the presence of an H-theorem, possibly driven by decoherence induced by the pregeometric degrees of freedom, and their entanglement with the geometric ones.

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 Dates: 2012-11-122013
 Publication Status: Published in print
 Pages: 11 pages, 1 figure
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1211.2731
DOI: 10.1088/1742-6596/410/1/012140
 Degree: -

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Title: IC-MSQUARE 2012: International Conference on Mathematical Modelling in Physical Sciences
Place of Event: Budapest, Hungary
Start-/End Date: 2012-09-03 - 2012-09-07

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Title: Journal of Physics: Conference Series
Source Genre: Journal
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Publ. Info: Bristol : IOP Publishing
Pages: - Volume / Issue: 410 Sequence Number: 012140 Start / End Page: - Identifier: ISSN: 1742-6588
CoNE: https://pure.mpg.de/cone/journals/resource/111097776606042