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Open Quantum Systems Decoherence
Quantum Simulation
Non-Hermitian Many-Body Localization
arXiv
Authors: Ryusuke Hamazaki, Kohei Kawabata, Masahito Ueda
Year
2018
Paper ID
23072
Status
Preprint
Abstract Read
~2 min
Abstract Words
77
Citations
N/A
Abstract
Many-body localization is shown to suppress imaginary parts of complex eigenenergies for general non-Hermitian Hamiltonians having time-reversal symmetry. We demonstrate that a real-complex transition, which we conjecture occurs upon many-body localization, profoundly affects the dynamical stability of non-Hermitian interacting systems with asymmetric hopping that respect time-reversal symmetry. Moreover, the real-complex transition is shown to be absent in non-Hermitian many-body systems with gain and/or loss that breaks time-reversal symmetry, even though the many-body localization transition still persists.
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- This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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- Many-body localization is shown to suppress imaginary parts of complex eigenenergies for general non-Hermitian Hamiltonians having time-reversal symmetry.
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