四体耦合腔阵列体系的PT相变及单光子传输

Abstract

Abstract: We considered a fourbody coupled cavity array with symmetric gain and dissipation, and analyzed the PT phase transition and the single photon transmission of the system. The results show that the system can be in thePT symmetric phase and the PTsymmetric broken phase according to different parameter ranges, which the photons are located in different cavities, and the single photon transmission is bidirectional.

Key words: , fourbody coupled cavity array, PT phase transition, single photon transmission

CLC Number:

GUO Jing, ZHU Hongbo. PT Phase Transition and Single Photon Transmissionin a FourBody Coupled Cavity Array System[J].Journal of Jilin University Science Edition, 2020, 58(3): 671-677.

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PT Phase Transition and Single Photon Transmissionin a FourBody Coupled Cavity Array System

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