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Simulations of Bose Fields at Finite Temperature
Open accessAbstract
We introduce a time-dependent projected Gross-Pitaevskii equation to describe a partially condensed homogeneous Bose gas, and find that this equation will evolve randomized initial wave functions to equilibrium. We compare our numerical data to the predictions of a gapless, second order theory of Bose-Einstein condensation [S. A. Morgan, J. Phys. B 33, 3847 (2000)], and find that we can determine a temperature when the theory is valid. As the Gross-Pitaevskii equation is nonperturbative, we expect that it can describe the correct thermal behavior of a Bose gas as long as all relevant modes are highly occupied. Our method could be applied to other boson fields.
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Cited by
Ultracold atomic gases in optical lattices: mimicking condensed matter physics and beyond
Lewenstein, M., Sanpera, A., Ahufinger, V., Damski, B., Sen(De), A., & Sen, U. (2007) · Advances in Physics · doi:10.1080/00018730701223200 · Cited by 2,104
The truncated Wigner method for Bose-condensed gases: limits of validity and applications
Sinatra, A., Lobo, C., & Castin, Y. (2002) · Journal of Physics B: Atomic, Molecular and Optical Physics · doi:10.1088/0953-4075/35/17/301 · Cited by 353
Picozzi, A., Garnier, J., Hansson, T., Suret, P., Randoux, S., Millot, G., & Christodoulides, D. N. (2014) · Physics Reports · doi:10.1016/j.physrep.2014.03.002 · Cited by 275
Metadata
- Authors
- Davis, M. J., Morgan, S. A., & Burnett, K.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2001-09-27
- Volume
- 87
- Issue
- 16
- Pages
- 160402-160402
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1965714992
- Cited by
- 229
- References
- 0
- FWCI
- 5.42
- Type
- journal article
- Language
- en
- Open access
- green
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