Rachid Ben Hammou, Abdelkebir El Aroui, Nabil Habiballah, Mostafa Nassik
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引用次数: 0
Abstract
In this paper, we explore the thermal correlations in a two-qubit Heisenberg XXZ spin chain in thermal equilibrium, influenced by Calogero-Moser (CM), Dzyaloshinskii-Moriya (DM), and Kaplan-Shekhtman-Entin-Wohlman-Aharony (KSEA) interactions. To evaluate the non-classical thermal correlations within this framework, we employ the Sharma-Mittal, Renyi, and Tsallis quantum discords. We derive explicit analytical expressions for these quantifiers as functions of the system’s thermal state and analyze their behavior across different parameters. The results obtained demonstrated that the CM, DM, and KSEA interactions significantly affect the quantum correlations, while temperature reduces them. Additionally, the results show that the Sharma-Mittal quantum discord is a faithful quantifier in this work.
期刊介绍：
The journal publishes original, high-quality articles that follow new developments in all areas of laser research, including:
laser physics;
laser interaction with matter;
properties of laser beams;
laser thermonuclear fusion;
laser chemistry;
quantum and nonlinear optics;
optoelectronics;
solid state, gas, liquid, chemical, and semiconductor lasers.
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