| Issue |
EPL
Volume 97, Number 5, March 2012
|
|
|---|---|---|
| Article Number | 50003 | |
| Number of page(s) | 5 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/97/50003 | |
| Published online | 05 March 2012 | |
Quantum noise in three-dimensional BEC interferometry
1
Centre for Atom Optics and Ultrafast Spectroscopy, Swinburne University of Technology Hawthorn, VIC 3122, Australia
2
Physics Department, University of Queensland - Queensland, Australia
Received:
11
November
2011
Accepted:
31
January
2012
We develop a theory of quantum fluctuations and squeezing in a three-dimensional Bose-Einstein condensate atom interferometer with nonlinear losses. We use stochastic equations in a truncated Wigner representation to treat quantum noise. Our approach includes the multi-mode spatial evolution of spinor components and describes the many-body dynamics of a mesoscopic quantum system.
PACS: 03.75.Gg – Entanglement and decoherence in Bose-Einstein condensates / 03.75.Dg – Atom and neutron interferometry / 67.85.Fg – Multicomponent condensates; spinor condensates
© EPLA, 2012
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