Tests of quantum-gravity-induced nonlocality via optomechanical experiments

A. Belenchia*, D.M.T. Benincasa, S. Liberati, F. Marin, F. Marino, A. Ortolan

*Corresponding author for this work

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6 Citations (Scopus)
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Abstract

The nonrelativistic limit of nonlocal modifications to the Klein-Gordon operator is studied, and the experimental possibilities of casting stringent constraints on the nonlocality scale via planned and/or current optomechanical experiments are discussed. Details of the perturbative analysis and semianalytical simulations leading to the dynamic evolution of a quantum harmonic oscillator in the presence of nonlocality reported in [A. Belenchia, D. M. T. Benincasa, S. Liberati, F. Marin, F. Marino, and A. Ortolan, Phys. Rev. Lett. 116, 161303 (2016)] are given, together with a comprehensive account of the experimental methodology with particular regard to sensitivity limitations related to thermal decoherence time and active cooling of the oscillator. Finally, a strategy for detecting nonlocality scales of the order of
10

22
÷
10

26


m
by means of the spontaneous time-periodic squeezing of quantum-coherent states is provided.
Original languageEnglish
JournalPhysical Review D Online
DOIs
Publication statusPublished - 25 Jan 2017
Externally publishedYes

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