期刊
SCIENTIFIC REPORTS
卷 6, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/srep33381
关键词
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资金
- National Natural Science Foundation of China [11274289, 11325419, 11474267, 11404319, 61327901, 61225025, 11474268]
- Fundamental Research Funds for the Central Universities [WK2470000018, WK2030020019]
- Strategic Priority Research Program (B) of the Chinese Academy of Sciences [XDB01030300]
- UMass Boston [P20150000029279]
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.
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