Gravity as a classical channel and its dissipative generalization

Giovanni Di Bartolomeo*, Matteo Carlesso, Angelo Bassi

*Corresponding author for this work

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Recent models formulated by Kafri, Taylor, and Milburn and by Tilloy and Diosi describe the gravitational interaction through a continuous measurement and feedback protocol. In such a way, although gravity is ultimately treated as classical, they can reconstruct the proper quantum gravitational interaction at the level of the master equation for the statistical operator. Following this procedure, the price to pay is the presence of decoherence effects leading to an asymptotic energy divergence. One does not expect the latter in isolated systems. Here, we propose a dissipative generalization of these models. We show that, in these generalizations, in the long time limit, the system thermalizes to an effective finite temperature.
Original languageEnglish
Article number104027
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Publication statusPublished - 10 Nov 2021


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