Optomechanical tests of a Schrödinger-Newton equation for gravitational quantum mechanics

C. C. Gan; C. M. Savage; S. Z. Scully

doi:10.1103/PhysRevD.93.124049

Optomechanical tests of a Schrödinger-Newton equation for gravitational quantum mechanics

C. C. Gan, C. M. Savage, S. Z. Scully

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

We show that optomechanical systems can test the Schrödinger-Newton equation of gravitational quantum mechanics due to Yang et al. Phys. Rev. Lett. 110, 170401 (2013). This equation is motivated by semiclassical gravity, a widely used theory of interacting gravitational and quantum fields. From the many-body Schrödinger-Newton equation follows an approximate equation for the center-of-mass dynamics of macroscopic objects. This predicts a distinctive double-peaked signature in the output optical quadrature power spectral density of certain optomechanical systems. Since the Schrödinger-Newton equation lacks free parameters, these will allow its experimental confirmation or refutation.

Original language	English
Article number	124049
Journal	Physical Review D
Volume	93
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevD.93.124049
Publication status	Published - 20 Jun 2016

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abstract = "We show that optomechanical systems can test the Schr{\"o}dinger-Newton equation of gravitational quantum mechanics due to Yang et al. Phys. Rev. Lett. 110, 170401 (2013). This equation is motivated by semiclassical gravity, a widely used theory of interacting gravitational and quantum fields. From the many-body Schr{\"o}dinger-Newton equation follows an approximate equation for the center-of-mass dynamics of macroscopic objects. This predicts a distinctive double-peaked signature in the output optical quadrature power spectral density of certain optomechanical systems. Since the Schr{\"o}dinger-Newton equation lacks free parameters, these will allow its experimental confirmation or refutation.",

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Optomechanical tests of a Schrödinger-Newton equation for gravitational quantum mechanics

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