Non-Hermitian many-body localization in asymmetric chains with long-range interaction

• URL: http://arxiv.org/abs/2510.08277v1
• Date: Thu, 09 Oct 2025 14:32:13 GMT
• Title: Non-Hermitian many-body localization in asymmetric chains with long-range interaction
• Authors: Wen Wang, Han-Ze Li, Jian-Xin Zhong,
• Abstract summary: In a one-dimensional clean, long-range interaction-induced non-Hermitian many-body localization system, we have discovered the coexistence of static and dynamic spectral real-complex phase transitions.<n>The phase diagrams of these two types of transitions show similar non-monotonic boundary trends but do not overlap.<n>Our findings provide valuable insights for further understanding the relationship between non-Hermitian many-body localization and non-Hermitian spectra in long-range interacting systems.
• Score: 3.209874673578613
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Understanding the relationship between many-body localization and spectra in non-Hermitian many-body systems is crucial. In a one-dimensional clean, long-range interaction-induced non-Hermitian many-body localization system, we have discovered the coexistence of static and dynamic spectral real-complex phase transitions, along with many-body ergodic-localized phase transitions. The phase diagrams of these two types of transitions show similar non-monotonic boundary trends but do not overlap, highlighting properties distinct from conventional disorder-induced non-Hermitian many-body localization. We also propose a potential experimental realization of this model in cold-atom systems. Our findings provide valuable insights for further understanding the relationship between non-Hermitian many-body localization and non-Hermitian spectra in long-range interacting systems.

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