无限温度哈巴链中损耗诱导的量子信息喷射

IF 8.1 1区 物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY Physical review letters Pub Date : 2024-11-07 DOI:10.1103/physrevlett.133.190403
Patrik Penc, Cătălin Paşcu Moca, Örs Legeza, Tomaž Prosen, Gergely Zaránd, Miklós Antal Werner
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引用次数: 0

摘要

研究了在半无限链末端有耗散粒子汇的一维无限温度哈伯德模型中的信息传播。在强相互作用极限中,两点互信息和算子纠缠熵表现出丰富的结构,有两条传播信息的前沿和叠加的干涉条纹。经典的可逆蜂窝自动机模型定量地捕捉了相关性的传输和慢速经典部分,但却无法描述快速传播的信息射流。快速量子射流类似于相干自由粒子传播,并伴随着长距离干涉条纹,这些条纹被多体背景中的短距离自旋相关性以指数方式阻尼。
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Loss-Induced Quantum Information Jet in an Infinite Temperature Hubbard Chain
Information propagation in the one-dimensional infinite temperature Hubbard model with a dissipative particle sink at the end of a semi-infinite chain is studied. In the strongly interacting limit, the two-site mutual information and the operator entanglement entropy exhibit a rich structure with two propagating information fronts and superimposed interference fringes. A classical reversible cellular automaton model quantitatively captures the transport and the slow, classical part of the correlations but fails to describe the rapidly propagating information jet. The fast quantum jet resembles coherent free particle propagation, with the accompanying long-ranged interference fringes that are exponentially damped by short-ranged spin correlations in the many-body background.
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来源期刊
Physical review letters
Physical review letters 物理-物理:综合
CiteScore
16.50
自引率
7.00%
发文量
2673
审稿时长
2.2 months
期刊介绍: Physical review letters(PRL)covers the full range of applied, fundamental, and interdisciplinary physics research topics: General physics, including statistical and quantum mechanics and quantum information Gravitation, astrophysics, and cosmology Elementary particles and fields Nuclear physics Atomic, molecular, and optical physics Nonlinear dynamics, fluid dynamics, and classical optics Plasma and beam physics Condensed matter and materials physics Polymers, soft matter, biological, climate and interdisciplinary physics, including networks
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