Physics – Atomic Physics
Scientific paper
1998-12-16
Eur. Phys. J. D 7, 425-432 (1999).
Physics
Atomic Physics
12 pages, 2 figures, submitted to EPJ D
Scientific paper
10.1007/s100530050586
We calculate the pair correlation function of an interacting Bose gas in a harmonic trap directly via Path Integral Quantum Monte Carlo simulation for various temperatures and compare the numerical result with simple approximative treatments. Around the critical temperature of Bose-Einstein condensation, a description based on the Hartree-Fock approximation is found to be accurate. At low temperatures the Hartree-Fock approach fails and we use a local density approximation based on the Bogoliubov description for a homogeneous gas. This approximation agrees with the simulation results at low temperatures, where the contribution of the phonon-like modes affects the long range behavior of the correlation function. Further we discuss the relation between the pair correlation and quantities measured in recent experiments.
Castin Yvan
Holzmann Markus
No associations
LandOfFree
Pair correlation function of an inhomogeneous interacting Bose-Einstein condensate does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Pair correlation function of an inhomogeneous interacting Bose-Einstein condensate, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pair correlation function of an inhomogeneous interacting Bose-Einstein condensate will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-122477