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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發表在:	Entropy
Main Authors:	Wenxuan Song, Jiaming Zhang, Lihao Hua, Zhihua Xiong, Wenlei Zhao
格式:	Article
語言:	英语
出版:	MDPI AG 2025-03-01
主題:	quantum walk non-Hermitian kicked rotor quantum entanglement
在線閱讀:	https://www.mdpi.com/1099-4300/27/3/288