二维晶格上两个非相互作用粒子的量子行走

Europhysics Letters Pub Date : 2024-03-05 DOI:10.1209/0295-5075/ad3052

Qi Han, Ning Bai, Shuai Wang, Lijie Gou, Rong Zhang

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摘要

在这封信中，只需简单地将单粒子单元算子 U1 张量为不存在相互作用的双粒子演化算子 U2。随后，将算子 U1 对角化，利用距离演化算子就能得到 t 时刻二维晶格上两个无相互作用粒子之间的相对距离。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Quantum walk of two non-interacting particles on a 2D lattice

In this letter, it is suﬃcient to simply tensor the single-particle unitary operator U1 for the evolution operator U2 of two-particle that do not have interactions. Subsequently, the operator U1is diagonalized and the relative distance between two non-interacting particles on the 2D lattice at the moment t is obtained using the distance evolution operator.

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Europhysics Letters

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