Local quantum Fisher information and one-way quantum deficit in spin- XX Heisenberg chain with three-spin interaction

Biao-Liang Ye, Bo Li, Xiao-Bin Liang, and Shao-Ming Fei

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Submission date: 12. Sep. 2020
Pages: 13
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Abstract:
We explore quantum phase transitions in the spin- XX chain with three-spin interaction in terms of local quantum Fisher information and one-way quantum deficit, together with the demonstration of quantum fluctuations. Analytical results are derived and analyzed in details.