English
 
Help Privacy Policy Disclaimer
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
  New perspective on thermodynamics of spacetime: The emergence of unimodular gravity and the equivalence of entropies

Alonso-Serrano, A., & Liška, M. (2020). New perspective on thermodynamics of spacetime: The emergence of unimodular gravity and the equivalence of entropies. Physical Review D, 102: 104056. doi:10.1103/PhysRevD.102.104056.

Item is

Basic

show hide
Genre: Journal Article

Files

show Files
hide Files
:
2008.04805.pdf (Preprint), 511KB
Name:
2008.04805.pdf
Description:
File downloaded from arXiv at 2020-09-01 08:45
Visibility:
Public
MIME-Type / Checksum:
application/pdf / [MD5]
Technical Metadata:
Copyright Date:
-
Copyright Info:
-
:
PhysRevD.102.104056.pdf (Publisher version), 272KB
 
File Permalink:
-
Name:
PhysRevD.102.104056.pdf
Description:
-
Visibility:
Restricted (Max Planck Institute for Gravitational Physics (Albert Einstein Institute), MPGR; )
MIME-Type / Checksum:
application/pdf
Technical Metadata:
Copyright Date:
-
Copyright Info:
-
License:
-

Locators

show

Creators

show
hide
 Creators:
Alonso-Serrano, Ana1, Author              
Liška, Marek, Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

Content

show
hide
Free keywords: General Relativity and Quantum Cosmology, gr-qc,High Energy Physics - Theory, hep-th
 Abstract: We present a novel derivation of Einstein equations from the balance between Clausius entropy crossing the boundary of a local causal diamond and entanglement entropy associated with its horizon. Comparing this derivation with the entanglement equilibrium approach developed by Jacobson, we are able to argue for the equivalence of matter entanglement and Clausius entropy in the semiclassical regime. We also provide a direct comparison of both entropies for conformal matter, showing their equivalence without appealing to gravitational dynamics. Furthermore, we determine that gravitational dynamics implied by thermodynamics of spacetime, in fact, corresponds to unimodular gravity rather than general relativity.

Details

show
hide
Language(s):
 Dates: 2020-08-112020
 Publication Status: Published in print
 Pages: 19 pages, 1 figure
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Degree: -

Event

show

Legal Case

show

Project information

show

Source 1

show
hide
Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 102 Sequence Number: 104056 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258