Lattice bosons in quartic confinement

Details Lattice bosons in quartic confinement Lattice bosons in quartic confinement

2007-06-09

arxiv.org/abs/0706.1297v2

Eur. Phys. J. D 47, 203 (2008)

Physics

Condensed Matter

Other Condensed Matter

revised version, 11 pages including figures, accepted in EPJD

Scientific paper

10.1140/epjd/e2008-00031-5

We present a theoretical study of bose condensation of non-interacting bosons in finite lattices in quartic potentials in one, two, and three dimensions. We investigate dimensionality effects and quartic potential effects on single boson density of energy states, condensation temperature, condensate fraction, and specific heat. The results obtained are compared with corresponding results for lattice bosons in harmonic traps.

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