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
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We explore quantum phase transitions in the spin-1∕2 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.