The freezing R\`enyi quantum discord
Xiao-Yu Li, Qin-Sheng Zhu, Ming-Zheng Zhu, Hao Wu, Shao-Yi Wu, and, Ming-Chuan Zhu

TL;DR
This paper investigates the freezing phenomenon of R`enyi quantum discord in a two-dimer system coupled to correlated environments, demonstrating its persistence under non-Markovian conditions and analyzing parameter effects.
Contribution
It is the first study to analyze the freezing behavior of R`enyi quantum discord in a non-Markovian two-dimer system with correlated environments.
Findings
Freezing of R`enyi discord persists under non-Markovian dynamics.
Parameter variations influence the freezing behavior.
Freezing phenomena are consistent with quantum discord properties.
Abstract
As a universal quantum character of quantum correlation, the freezing phenomenon is researched by geometry and quantum discord methods, respectively. In this paper, the properties of R`enyi discord is studied for two independent Dimer System coupled to two correlated Fermi-spin environments under the non-Markovian condition. We further demonstrate that the freezing behaviors still exist for R`enyi discord and study the effects of different parameters on this behaviors.
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Taxonomy
TopicsQuantum many-body systems · Quantum Computing Algorithms and Architecture · Quantum Information and Cryptography
