Entanglement detection in the mixed-spin Ising–<bold><italic>X Y</italic></bold> model

Entanglement detection in the mixed-spin Ising–X Y model

Arian Zad Hamid^†,

Contour plots of Fig. 6 versus the inverse temperature and the magnetic field, at fixed values of and (a) γ = 0.2J; (b) γ = 0.8J.