Measurement-induced disturbance and thermal entanglement in spin models
Guo-Feng Zhang, Zhao-Tan Jiang, Ahmad Abliz
TL;DR
This paper explores how measurement-induced disturbance and thermal entanglement behave in two-qubit spin models, analyzing their dependence on external parameters and comparing their characteristics.
Contribution
It provides a detailed comparison of measurement-induced disturbance and thermal entanglement in spin models, highlighting their different behaviors under various conditions.
Findings
Measurement-induced disturbance varies with magnetic field, coupling, and DM interactions.
Thermal entanglement shows distinct dependence on external parameters.
The two quantum correlations exhibit different characteristics in spin models.
Abstract
Quantum correlation in two-qubit spin models is investigated by use of measurement-induced disturbance [S. Luo, Phys. Rev. A, 77(2008) 022301]. Its dependences on external magnetic field, spin-spin coupling, and Dzyaloshinski-Moriya (DM) interactions are presented in detail. We also compare measurement-induced disturbance and thermal entanglement in spin models and illustrate their different characteristics.
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