期刊
PHYSICAL REVIEW A
卷 84, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.84.013626
关键词
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资金
- Spanish Ministerio de Educacion y Ciencia
- European FEDER [FIS2008-06024-C03-02]
- ICREA Funding Source: Custom
We propose that periodically in space-and time-modulated potentials (dynamic lattices) can efficiently remove the excited (the high-energy and large momentum) components of the trapped Bose-Einstein condensates (BECs) and, consequently, can result in efficient cleaning of the BECs. We prove the idea by numerically solving the mean-field models (the Schrodinger equation for noninteracting condensates and the Gross-Pitaevskii equation for interacting condensates of repulsive atoms), and we evaluate parameters and conditions for the efficient removal of excitations.
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