期刊
PHYSICAL REVIEW A
卷 100, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.100.053624
关键词
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资金
- Ministry of Education, Science, and Technological Development of the Republic of Serbia [ON171017]
- ANR TNSTRONG [ANR-16-CE30-0025]
- ANR TopO [ANR-17-CE30-0013]
- COST Action [CA16221]
- Agence Nationale de la Recherche (ANR) [ANR-16-CE30-0025] Funding Source: Agence Nationale de la Recherche (ANR)
Strong synthetic magnetic fields have been successfully implemented in periodically driven optical lattices. However, the interplay of the driving and interactions introduces detrimental heating, and for this reason it is still challenging to reach a fractional quantum Hall state in cold-atom setup. By performing a numerical study, we investigate stability of a bosonic Laughlin state in a small atomic sample exposed to driving. We identify an optimal regime of microscopic parameters, in particular interaction strength U and the driving frequency omega, such that the stroboscopic dynamics supports the basic nu = 1/2 Laughlin state. Moreover, we explore slow ramping of a driving term and show that the considered protocol allows for the preparation of the Laughlin state on experimentally realistic time-scales.
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