Temporal correlations of elongated Bose gases at finite temperature
arXiv:1108.2119 · doi:10.1088/0953-4075/45/20/205301
Abstract
Temporal correlations in the harmonically trapped finite temperature Bose gas are studied through the calculation of appropriate phase correlation functions. A wide parameter regime is covered to ascertain the role that temperature fluctuations and trap geometry play in the temporal coherence of the 1D to 3D crossover region. Bogoliubov analysis is used to establish results in the 1D and spherical limits. Formalism is then developed using the projected Gross-Pitaevskii equation to calculate correlation functions in 3D simulations of varying trap elongation and temperature.
8 pages, 5 figures
References in corpus (13)
- Non-equilibrium coherence dynamics in one-dimensional Bose gases
- Squeezing and entanglement in a Bose-Einstein condensate
- Dynamics and statistical mechanics of ultra-cold Bose gases using c-field techniques
- Long Phase Coherence Time and Number Squeezing of two Bose-Einstein Condensates on an Atom Chip
- Bragg spectroscopy of a strongly interacting 85Rb Bose-Einstein condensate
- Decoherence Dynamics in Low-Dimensional Cold Atom Interferometers
- Numerical method for evolving the Projected Gross-Pitaevskii equation
- Coherence time of a Bose-Einstein condensate
- Critical properties of a trapped interacting Bose gas
- Two point correlations of a trapped interacting Bose gas at finite temperature
- PGPE theory of finite temperature collective modes for a trapped Bose gas
- Temporal coherence, anomalous moments, and pairing correlations in the classical-field description of a degenerate Bose gas
- Correlations and superfluidity of a one-dimensional Bose gas in a quasiperiodic potential