Thermodynamics of spacetime and unimodular gravity

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F22%3A10446315" target="_blank" >RIV/00216208:11320/22:10446315 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=_qTXFWg-2z" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=_qTXFWg-2z</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1142/S0219887822300021" target="_blank" >10.1142/S0219887822300021</a>

Result language
angličtina
Original language name
Thermodynamics of spacetime and unimodular gravity
Original language description
In this review, we discuss the emergence of unimodular gravity (or, more precisely, Weyl transverse gravity) from the thermodynamics of spacetime. By analyzing three different ways to obtain gravitational equations of motion by thermodynamic arguments, we show that the results point to unimodular rather than fully diffeomorphism invariant theories and that this is true even for modified gravity. The unimodular character of dynamics is especially evident from the status of cosmological constant and energy-momentum conservation.
Czech name
—
Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10300 - Physical sciences

Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical
International Journal of Geometric Methods in Modern Physics
ISSN
0219-8878
e-ISSN
1793-6977
Volume of the periodical
19
Issue of the periodical within the volume
Supp01
Country of publishing house
SG - SINGAPORE
Number of pages
19
Pages from-to
2230002
UT code for WoS article
000848628500001
EID of the result in the Scopus database
2-s2.0-85128503434

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