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Phase induced localization transition

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Localization phenomenon is an important research field in condensed matter physics.However,due to the complexity and subtlety of disordered systems,new localization phenomena always emerge unexpectedly.For example,it is generally believed that the phase of the hopping term does not affect the localization properties of the system,so the calculation of the phase is often ignored in the study of localization.Here,we introduce a quasiperiodic model and demonstrate that the phase change of the hopping term can significantly alter the localization properties of the system through detailed numerical simulations,such as the inverse participation ratio and multifractal analysis.This phase-induced localization transition provides valuable information for the study of localization physics.

phaselocalizationquasiperiodic

刘通、魏兴波、王友国

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School of Science,Nanjing University of Posts and Telecommunications,Nanjing 210003,China

Department of Physics and Key Laboratory of Optical Field Manipulation of Zhejiang Province,Zhejiang Sci-Tech University,Hangzhou 310018,China

National Natural Science Foundation of ChinaZhejiang Provincial Natural Science Foundation of ChinaNatural Science Foundation of Nanjing University of Posts and TelecommunicationsChina Postdoctoral Science Foundation

62071248LQ24A040004NY2231092022M721693

2024

10.1088/1674-1056/ad6a0b

中国物理B(英文版)
中国物理学会和中国科学院物理研究所

中国物理B(英文版)

CSTPCDEI
影响因子：0.995
ISSN：1674-1056
年,卷(期)：2024.33(10)