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Journal Article

Thermal stability of stealth and de Sitter spacetimes in scalar-tensor gravity

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Giardino,  Serena
Lise Meitner Excellence Group: Gravitational Theory and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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2302.08550.pdf
(Preprint), 463KB

s10052-023-11697-3.pdf
(Publisher version), 418KB

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Citation

Giardino, S., Giusti, A., & Faraoni, V. (2023). Thermal stability of stealth and de Sitter spacetimes in scalar-tensor gravity. European Physical Journal C, 83(7): 621. doi:10.1140/epjc/s10052-023-11697-3.


Cite as: https://hdl.handle.net/21.11116/0000-000C-A32A-D
Abstract
Stealth solutions of scalar-tensor gravity and less-known de Sitter spaces
that generalize them are analyzed regarding their possible role as thermal
equilibria at non-zero temperature in the new first-order thermodynamics of
scalar-tensor gravity. No stable equilibria are found, further validating the
special role of general relativity as an equilibrium state in the landscape of
gravity theories, seen through the lens of first-order thermodynamics.