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Condensed Matter > Disordered Systems and Neural Networks
Title: Electron localization in disordered quantum systems at finite temperatures
(Submitted on 25 Mar 2024 (this version), latest version 27 Apr 2024 (v2))
Abstract: We study electron localization in disordered quantum systems, focusing on both individual eigenstates and thermal states. We employ complex polarization as a numerical indicator to characterize the system's localization length. Furthermore, we assess the efficacy of mean-field approximation in providing a quantitative analysis of such systems. Through this study, we seek to provide insight into the following aspects: the behavior of electron localization as a function of interaction, disorder, and temperature, whether thermal states and highly excited states exhibit similar properties in many-body localized systems, and the reliability of the mean-field approximation in low-interaction scenarios.
Submission history
From: Chong Sun [view email][v1] Mon, 25 Mar 2024 15:34:03 GMT (157kb,D)
[v2] Sat, 27 Apr 2024 16:56:09 GMT (155kb,D)
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