The Ising model on a decorated bilayer lattice turns one-dimensional pseudo-transitions into a real first-order phase transition, with the pseudo-transition surviving as a Widom line above the bi-critical point.
Peculiarities in pseudo-transitions of a mixed spin-(1/2, 1) ising–heisenberg double-tetrahedral chain in an external magnetic field
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The Widom line in the Ising model on a decorated bilayer lattice
The Ising model on a decorated bilayer lattice turns one-dimensional pseudo-transitions into a real first-order phase transition, with the pseudo-transition surviving as a Widom line above the bi-critical point.