Dynamic Order-Reversal Transition in a Parametrically Driven Cold Atomic System (original) (raw)

2010

Abstract

We experimentally demonstrate the reversal transition of the order in a parametrically driven cold atomic system which shows ideal mean-field symmetry-breaking transition, by the application of the pulsed additional bias-field opposite to the pre-existing order. The strength h0 and the duration deltat of pulse are the control parameters of the reversal transition. We obtain the phase boundary of the transition

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