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

被引：21
|
作者：
Gan, C. C. [1 ,2 ]
Savage, C. M. [1 ]
Scully, S. Z. [1 ]
机构：
[1] Australian Natl Univ, Res Sch Phys & Engn, Dept Quantum Sci, Canberra, ACT 0200, Australia
[2] Univ Malaya, Dept Phys, Kuala Lumpur 50603, Malaysia
来源：
PHYSICAL REVIEW D | 2016年 / 93卷 / 12期
基金：
澳大利亚研究理事会;
关键词：
GRAVITY; SEARCH;
D O I：
10.1103/PhysRevD.93.124049
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We show that optomechanical systems can test the Schrodinger-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 Schrodinger-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 Schrodinger-Newton equation lacks free parameters, these will allow its experimental confirmation or refutation.
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页数：8
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