An exactly solved 1D mixed-spin chain shows finite-temperature pseudo-transitions near five ground-state phase boundaries, including an interface between two non-degenerate ferrimagnetic phases.
The Ising spin magnetizationin thesecondferrimagnetic phaseFI 2 becomes mI = 1 2, the Heisenberg spin magnetization is mH = 1, and the total magnetization ismt = 3 2
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Peculiarities in pseudo-transitions of a mixed spin-$(1/2,1)$ Ising-Heisenberg double-tetrahedral chain in an external magnetic field
An exactly solved 1D mixed-spin chain shows finite-temperature pseudo-transitions near five ground-state phase boundaries, including an interface between two non-degenerate ferrimagnetic phases.