Local quantum Fisher information and one-way quantum deficit in spin-1/2 XX Heisenberg chain with three-spin interaction
Biao‐Liang Ye, Bo Li, Xiao-Bin Liang, Shao-Ming Fei · International Journal of Quantum Information · 2020
We explore quantum phase transitions in the spin-1/2 [Formula: see text] 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 detail.