1. Experimental Trapped-ion Quantum Simulation of the Kibble-Zurek dynamics in momentum space
- Author
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Jin-Ming Cui, Jian Wang, Wei-Min Lv, Adolfo del Campo, Yong-Jian Han, Zhao Wang, Le Luo, Guo Guangcan, Dong-Yang Cao, Chuan-Feng Li, and Yun-Feng Huang
- Subjects
Condensed Matter::Quantum Gases ,Physics ,Quantum Physics ,Multidisciplinary ,FOS: Physical sciences ,Quantum simulator ,Position and momentum space ,Space (mathematics) ,01 natural sciences ,Article ,010305 fluids & plasmas ,Ion ,Quantum mechanics ,0103 physical sciences ,Ising model ,Quantum Physics (quant-ph) ,010306 general physics ,Ground state ,Quantum ,Scaling - Abstract
The Kibble-Zurek mechanism is the paradigm to account for the nonadiabatic dynamics of a system across a continuous phase transition. 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 Landau-Zener crossings in pseudo-momentum space, that can be probed with high accuracy using a single trapped ion. We test the Kibble-Zurek mechanism in the quantum regime in the momentum space and find the measured scaling of excitations is in accordance with the theoretical prediction., Comment: 10 pages, 3 figures Published in Scientific Reports, http://www.nature.com/articles/srep33381
- Published
- 2016
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