Browsing by Keywords "phase transition"
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(Bilkent University, 1998)In this work we studied the problem of phase transitions in one-dirnensional models with unique ground state. A model ha\dng two spins, one ground state and exhibiting phase transition is constructed.
(Bilkent University, 2008)We analyze the order-disorder transition for a two dimensional Ising model. We consider a ferromagnetic exchange interaction between the nearest neighbor Ising spins. The spin exchanges are introduced in two different ...