Testing the quantum coherent behaviour of gravity

Sougato Bose*, Anupam Mazumdar, Gavin W. Morley, Hendrik Ulbricht, Marko Toroš, Mauro Paternostro, Andrew A. Geraci, Peter Barker, M. S. Kim, Gerard Milburn

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


Although quantum gravity is a highly pursued research topic, the more basic question of whether gravity is quantum has not yet been answered. Here we present a table-top experiment, feasible with forseeable advances in technology, which can demonstrate that the Newtonian field from an object is a bonafide quantum entity. This is demonstrated through the development of a verifiable entanglement between two matter wave interferometers with mesoscopic objects as entanglement between systems which are not directly interacting, can only be mediated by a quantum system.

Original languageEnglish (US)
Article number45
JournalProceedings of Science
StatePublished - 2018
Event2nd World Summit: Exploring the Dark Side of the Universe, EDSU 2018 - Pointe-a-Pitre, Guadeloupe, France
Duration: Jun 25 2018Jun 29 2018

ASJC Scopus subject areas

  • General


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