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24 April 2024

» arxiv » 1505.5734

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Supporting Kibble-Zurek Mechanism in Quantum Ising Model through a Trapped Ion
Jin-Ming Cui ; Yun-Feng Huang ; Zhao Wang ; Dong-Yang Cao ; Jian Wang ; Wei-Min Lv ; Yong Lu ; Le Luo ; Adolfo del Campo ; Yong-Jian Han ; Chuan-Feng Li ; Guang-Can Guo ;
Date:	21 May 2015
Abstract:	Progress in quantum simulation has fostered the research on far-from-equilibrium dynamics. The Kibble-Zurek mechanism is the paradigmatic framework to account for the non adiabatic critical dynamics of a system driven across a phase transition in a finite time. Its study in the quantum regime is hindered by the requisite of ground state cooling. We report the experimental quantum simulation of critical dynamics in the transverse-field Ising model by a set of non-equilibrium processes in the pseudo-momentum space, that can be probed with high accuracy using a single trapped ion. Our results support the validity of the Kibble-Zurek mechanism in the quantum regime and advance the quantum simulation of critical systems far-away from equilibrium.
Source:	arXiv, 1505.5734
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