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Title: Floquet mechanism for non-Abelian fractional quantum hall states
Authors: Lee, Ching Hua
Ho, Wen Wei
Yang, Bo
Gong, Jiangbin
Papić, Zlatko
Keywords: Floquet Mechanism
Issue Date: 2018
Source: Lee, C. H., Ho, W. W., Yang, B., Gong, J., & Papić, Z. (2018). Floquet mechanism for non-Abelian fractional quantum hall states. Physical Review Letters, 121(23), 237401-. doi:10.1103/PhysRevLett.121.237401
Series/Report no.: Physical Review Letters
Abstract: Three-body correlations, which arise between spin-polarized electrons in the first excited Landau level, are believed to play a key role in the emergence of enigmatic non-Abelian fractional quantum Hall (FQH) effects. Inspired by recent advances in Floquet engineering, we investigate periodic driving of anisotropic two-body interactions as a route for controllably creating and tuning effective three-body interactions in the FQH regime. We develop an analytic formalism to describe this Floquet-FQH protocol, which is distinct from previous approaches that instead focus on band structure engineering via modulation of single-particle hopping terms. By systematically analyzing the resulting interactions using generalized pseudopotentials, we show that our Floquet-FQH approach leads to repulsive as well as attractive three-body interactions that are highly tunable and support a variety of non-Abelian multicomponent FQH states. Finally, we propose an implementation of the protocol in optically dressed ultracold polar molecules with modulated Rabi frequencies.
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.121.237401
Rights: © 2018 American Physical Society. All rights reserved. This paper was published in Physical Review Letters and is made available with permission of American Physical Society.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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