Monogamy quantum correlation near the quantum phase transitions in the two-dimensional <i>XY</i> spin systems<xref rid="cpb_27_6_060301_fn1" ref-type="fn">*</xref> <fn id="cpb_27_6_060301_fn1"> <label>*</label> <p>Project supported by the Natural Science Foundation of Jiangsu Province, China (Grant No. BK20171397), the National Natural Science Foundation of China (Grant Nos. 11535004, 11375086, 1175085, and 11120101005), the Foundation for Encouragement of College of Sciences (Grant No. LYLZJJ1616), and the Pre-research Foundation of Army Engineering University of PLA.</p> </fn>

Monogamy quantum correlation near the quantum phase transitions in the two-dimensional XY spin systems* *

Project supported by the Natural Science Foundation of Jiangsu Province, China (Grant No. BK20171397), the National Natural Science Foundation of China (Grant Nos. 11535004, 11375086, 1175085, and 11120101005), the Foundation for Encouragement of College of Sciences (Grant No. LYLZJJ1616), and the Pre-research Foundation of Army Engineering University of PLA.

Qin Meng^{1, †}, Ren Zhongzhou^{2, 3}, Zhang Xin²

(color online) Different quantum correlation measures as a function of γ for ρ₁₂. The green lines indicate 0th step QRG, the red lines indicate 1st step QRG, and the blue ones 2nd step QRG.