Now showing items 1-2 of 2

    • Conditions for uniqueness of limit Gibbs states 

      Şahin, Mehmet Arafat (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.
    • Two-temperature Ising model at an exact limit 

      Sanlı, Ceyda (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 ...