Emergence of Classical Random Walk from Non-Hermitian Effects in Quantum Kicked Rotor

Emergence of Classical Random Walk from Non-Hermitian Effects in Quantum Kicked Rotor

We investigate the quantum random walk in momentum space of a spinor kicked rotor with a non-Hermitian kicking potential. We find that the variance in momentum distributions transitions from quadratic to linear growth over time for the non-Hermitian case. Correspondingly, the momentum distributions...

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Bibliographic Details
Main Authors: Wenxuan Song, Jiaming Zhang, Lihao Hua, Zhihua Xiong, Wenlei Zhao
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Entropy
Subjects:
quantum walk
non-Hermitian kicked rotor
quantum entanglement
Online Access:https://www.mdpi.com/1099-4300/27/3/288
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