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- W3098456095 abstract "Abstract We demonstrate the emergence of a topological ordered phase for non-Hermitian systems. Specifically, we elucidate that systems with non-Hermitian two-body interactions show a fractional quantum Hall (FQH) state. The non-Hermitian Hamiltonian is considered to be relevant to cold atoms with dissipation. We conclude the emergence of the non-Hermitian FQH state by the presence of the topological degeneracy and by the many-body Chern number for the ground state multiplet showing C tot = 1. The robust topological degeneracy against non-Hermiticity arises from the manybody translational symmetry. Furthermore, we discover that the FQH state emerges without any repulsive interactions, which is attributed to a phenomenon reminiscent of the continuous quantum Zeno effect." @default.
- W3098456095 created "2020-11-23" @default.
- W3098456095 creator A5056057994 @default.
- W3098456095 creator A5066993201 @default.
- W3098456095 creator A5068361908 @default.
- W3098456095 date "2019-11-15" @default.
- W3098456095 modified "2023-10-02" @default.
- W3098456095 title "Non-Hermitian fractional quantum Hall states" @default.
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- W3098456095 doi "https://doi.org/10.1038/s41598-019-53253-8" @default.
- W3098456095 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6858315" @default.
- W3098456095 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/31729412" @default.
- W3098456095 hasPublicationYear "2019" @default.
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