Phase ordering kinetics of the Bose gas

Kedar Damle, Satya N. Majumdar, and Subir Sachdev
Phys. Rev. A 54, 5037 – Published 1 December 1996
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Abstract

We study the approach to equilibrium of a Bose gas to a superfluid state. We point out that dynamic scaling, characteristic of far from equilibrium phase-ordering systems, should hold. We stress the importance of a nondissipative Josephson precession term in driving the system to a new universality class. A model of coarsening in dimension d=2, involving a quench between two temperatures below the equilibrium superfluid transition temperature (Tc), is exactly solved and demonstrates the relevance of the Josephson term. Numerical results on quenches from above Tc in d=2,3 provide evidence for the scaling picture postulated. © 1996 The American Physical Society.

  • Received 22 March 1996

DOI:https://doi.org/10.1103/PhysRevA.54.5037

©1996 American Physical Society

Authors & Affiliations

Kedar Damle, Satya N. Majumdar, and Subir Sachdev

  • Department of Physics, P.O. Box 208120, Yale University, New Haven, Connecticut 06520-8120

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Issue

Vol. 54, Iss. 6 — December 1996

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