Finite temperature correction to the Thomas–Fermi approximation for a Bose–Einstein condensate: comparison between theory and experiment

Finite temperature correction to the Thomas–Fermi approximation for a Bose–Einstein condensate: comparison between theory and experiment

We observe experimentally a deviation of the radius of a Bose-Einstein condensate from the standard Thomas-Fermi prediction, after free expansion, as a function of temperature. A modified Hartree-Fock model is used to explain the observations, mainly based on the influence of the thermal cloud on th...

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Veröffentlicht in:Journal of physics. B, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2009-07, Vol.42 (14), p.145304-145304 (8)
Hauptverfasser: Caracanhas, M A, Seman, J A, Ramos, E R F, Henn, E A L, Magalhães, K M F, Helmerson, K, Bagnato, V S
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Sprache:eng
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Classical and quantum physics: mechanics and fields
Exact sciences and technology
Matter waves
Physics
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container_end_page 145304 (8)
container_issue 14
container_start_page 145304
container_title Journal of physics. B, Atomic, molecular, and optical physics
container_volume 42
creator Caracanhas, M A
Seman, J A
Ramos, E R F
Henn, E A L
Magalhães, K M F
Helmerson, K
Bagnato, V S
description We observe experimentally a deviation of the radius of a Bose-Einstein condensate from the standard Thomas-Fermi prediction, after free expansion, as a function of temperature. A modified Hartree-Fock model is used to explain the observations, mainly based on the influence of the thermal cloud on the condensate cloud.
doi_str_mv 10.1088/0953-4075/42/14/145304
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subjects Classical and quantum physics: mechanics and fields
Exact sciences and technology
Matter waves
Physics
title Finite temperature correction to the Thomas–Fermi approximation for a Bose–Einstein condensate: comparison between theory and experiment
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