Far from equilibrium dynamics of the Bose gas

Дата и время публикации : 1997-05-06T16:37:32Z

Авторы публикации и институты :
Kedar Damle (Yale University)
Satya N. Majumdar (Tata Institute)
Subir Sachdev (Yale University)

Ссылка на журнал-издание: Ссылка на журнал-издание не найдена
Коментарии к cтатье: To be published in “Pune Workshop (CMT-20) Proceedings”; Vol-12, Condensed Matter Theories; Nova Science Publishing. Ed: J. W. Clark
Первичная категория: cond-mat

Все категории : cond-mat

Краткий обзор статьи: 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 non-dissipative Josephson precession term in driving the system to a new universality class. A model of coarsening in d=2, involving a quench between two temperatures below the equilibrium superfluid transition temperature (T_c), is exactly solved and demonstrates the relevance of the Josephson term. Numerical results on quenches from above T_c in d=2,3 provide evidence for the scaling picture postulated.

Category: Physics