Magnetic Properties of Transverse Ising Model under a Time Oscillating Longitudinal Field

作者: Xiao-Ling Shi , Li Wang , Guo-Zhu Wei

DOI: 10.1088/0253-6102/55/4/37

关键词: Tricritical pointLattice (order)Transverse planePhase transitionThermal fluctuationsCondensed matter physicsQuantum mechanicsPhysicsMagnetizationEquations of motionPhase boundary

摘要: A transverse Ising spin system, in the presence of time-dependent longitudinal field, is studied by effective-field theory (EFT). The equations motion average magnetization are given for simple cubic lattice (Z = 6) and honeycomb 3). Liapunov exponent lambda calculated discussing stability it used to determine phase boundary. dynamic transition diagrams h(0)/ZJ -Gamma/ZJ plane - T/ZJ have been drawn, there no dynamical tricritical point on effect thermal fluctuations upon boundary has discussed

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