Scenario of strongly nonequilibrated Bose-Einstein condensation

Natalia G. Berloff; Boris V. Svistunov

doi:10.1103/PhysRevA.66.013603

Scenario of strongly nonequilibrated Bose-Einstein condensation

Natalia G. Berloff and Boris V. Svistunov

Phys. Rev. A 66, 013603 – Published 15 July 2002

Abstract

Large scale numerical simulations of the Gross-Pitaevskii equation are used to elucidate the self-evolution of a Bose gas from a strongly nonequilibrium initial state. The stages of the process confirm and refine the theoretical scenario of Bose-Einstein condensation developed by Svistunov and co-workers [J. Mosc. Phys. Soc. 1, 373 (1991); Sov. Phys. JETP 75, 387 (1992); 78, 187 (1994)]: the system evolves from the regime of weak turbulence to superfluid turbulence via states of strong turbulence in the long-wavelength region of energy space.

Received 10 July 2001

DOI:https://doi.org/10.1103/PhysRevA.66.013603

Authors & Affiliations

Natalia G. Berloff^1,* and Boris V. Svistunov^2,†

¹Department of Mathematics, University of California, Los Angeles, California 90095-1555
²Russian Research Center “Kurchatov Institute,” 123182 Moscow, Russia

^*Electronic address: nberloff@math.ucla.edu
^†Electronic address: svist@kurm.polyn.kiae.su

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Vol. 66, Iss. 1 — July 2002

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