Analog quantum simulation of gravitational waves in a Bose-Einstein condensate

被引：11
作者：
Bravo, Tupac [1 ]
Sabin, Carlos [1 ]
Fuentes, Ivette [1 ]
机构：
[1] Univ Nottingham, Sch Math Sci, Nottingham NG7 2RD, England
来源：
EPJ QUANTUM TECHNOLOGY | 2015年 / 2卷
基金：
英国工程与自然科学研究理事会;
关键词：
quantum simulation; gravitational waves; Bose-Einstein condensates;
D O I：
10.1140/epjqt16
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We show how to vary the physical properties of a Bose-Einstein condensate (BEC) in order to mimic an effective gravitational-wave spacetime. In particular, we focus in the simulation of the recently discovered creation of particles by a real spacetime distortion in box-type traps. We show that, by modulating the speed of sound in the BEC, the phonons experience the effects of a simulated spacetime ripple with experimentally amenable parameters. These results will inform the experimental programme of gravitational wave astronomy with cold atoms.
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收藏
页数：9
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