Measurement-induced disturbance and thermal negativity of qutrit-qubit mixed spin chain
Guofeng Zhang, Yuchen Hou, Ailing Ji
TL;DR
This paper studies quantum correlations in a qutrit-qubit spin chain using measurement-induced disturbance and compares it with thermal entanglement measured by negativity, highlighting their differences.
Contribution
It introduces a comparison between MID and thermal negativity in a qutrit-qubit system, revealing their distinct behaviors.
Findings
MID and negativity show different characteristics in the system
Quantum correlations vary with system parameters
Comparison enhances understanding of quantum correlations in mixed spin chains
Abstract
We investigate the quantum correlation in a qutrit-qubit mixed spin chain based on measurement-induced disturbance (MID) [S. Luo, Phys. Rev. A, 77, (2008) 022301]. We also compare MID and thermal entanglement measured by negativity and illustrate their different characteristics.
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