Decoherence effects in non-classicality tests of gravity

Simone Rijavec*, Matteo Carlesso, Angelo Bassi, Vlatko Vedral, Chiara Marletto

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)
55 Downloads (Pure)

Abstract

The experimental observation of a clear quantum signature of gravity is believed to be out of the grasp of current technology. However, several recent promising proposals to test the possible existence of non-classical features of gravity seem to be accessible by the state-of-art table-top experiments. Among them, some aim at measuring the gravitationally induced entanglement between two masses which would be a distinct non-classical signature of gravity.We explicitly study, in two of these proposals, the effects of decoherence on the system's dynamics by monitoring the corresponding degree of entanglement. We identify the required experimental conditions necessary to perform successfully the experiments. In parallel, we account also for the possible effects of the continuous spontaneous localization (CSL) model, which is the most known among the models of spontaneous wavefunction collapse. We find that any value of the parameters of the CSL model would completely hinder the generation of gravitationally induced entanglement.

Original languageEnglish
Article number043040
JournalNew Journal of Physics
Volume23
Issue number4
DOIs
Publication statusPublished - 20 Apr 2021
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2021 The Author(s).

Keywords

  • Decoherence
  • Entanglement
  • Gravity
  • Quantum gravity

ASJC Scopus subject areas

  • General Physics and Astronomy

Fingerprint

Dive into the research topics of 'Decoherence effects in non-classicality tests of gravity'. Together they form a unique fingerprint.

Cite this