Effect of interaction and temperature on quantum phase transition in anisotropic square-octagon lattice<xref ref-type="fn" rid="cpb142764fn1">*</xref>

Effect of interaction and temperature on quantum phase transition in anisotropic square-octagon lattice*

Bao An^a),^b)†, Zhang Xue-Feng^b), Zhang Xiao-Zhong^a)

Double occupancy for different anisotropic parameter λ : (a) λ < 1, (b) λ > 1.