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Asymptotic solutions to the Gross-Pitaevskii gain equation: growth of a Bose-Einstein condensate

By P. D. Drummond and K. V. Kheruntsyan


An asymptotic solution to the Gross-Pitaevskii equation, describing the early stages of condensate growth in a trap was found. It was found that a growing nonequilibrium condensate has a nonuniform momentum distribution across the condensed region. The solution also predicts the amplified center-of-mass oscillations, leading to enhanced center-of-mass temperature

Topics: BEC, Bose-Einstein condensates, Gas condensates, Gross-Pitaevskii equations, Kinetic energy, Laser beams, Mathematical models, Quantum theory, 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics, 0204 Condensed Matter Physics, 0205 Optical Physics
Publisher: American Physical Society
Year: 2001
DOI identifier: 10.1103/PhysRevA.63.013605
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