Induced gravity, defined as a globally scale-invariant "first-generation" scalar-tensor theory, is investigated within the framework of the thermodynamics of modified gravity theories. The "temperature of gravity" and its evolution equation are derived for this model, and the resulting expressions are used to analyze general relativity equilibrium states and to investigate the possible existence of an attractor mechanism toward Einstein's theory with a cosmological constant.
Giusti, A. (2026). Revisiting induced gravity in scalar-tensor thermodynamics. PHYSICAL REVIEW D, 113(6), 1-6 [10.1103/ml3t-nrn5].
Revisiting induced gravity in scalar-tensor thermodynamics
Giusti, Andrea
Primo
2026
Abstract
Induced gravity, defined as a globally scale-invariant "first-generation" scalar-tensor theory, is investigated within the framework of the thermodynamics of modified gravity theories. The "temperature of gravity" and its evolution equation are derived for this model, and the resulting expressions are used to analyze general relativity equilibrium states and to investigate the possible existence of an attractor mechanism toward Einstein's theory with a cosmological constant.File in questo prodotto:
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