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cond-mat.str-el2007★ 78 cited
Magnetocaloric effect in the frustrated square lattice J1-J2 model
B. Schmidt, P. Thalmeier, N. Shannon
We investigate the magnetocaloric properties of the two-dimensional frustrated J1-J2 model on a square lattice. This model describes well the magnetic behavior of two classes of qu…
cond-mat.str-el2003★ 137 cited
Finite temperature properties and frustrated ferromagnetism in a square lattice Heisenberg model
Nic Shannon, Burkhard Schmidt, Karlo Penc +1
The spin 1/2 Heisenberg model on a square lattice with antiferromagnetic nearest- and next-nearest neighbour interactions (the -- model) has long been studied as a paradi…