Analysis for Thermal Influence on Coercive Force of Single Domain Particle on the Basis of Markov Process : Another Approach for Magnetic Hysteresis Loop of Magnetic Particle without Using Master Equation

概要

論文の詳細を見る
We propose new method to analyze magnetic hysteresis loop of single domain particle with uniaxial magnetic anisotropy on the basis of the idea of discrete Markov process, without solving series of Master equations as has been usually performed. Coercive force is deduced from mean recurrence time and is found to decrease with in-crease in measuring time. The values of n as calculated in the equation H_c/H^0_c=1-(V_s/ V)^n are found to be in good agreement with accepted results, where H_c, H^0_c, V_s and V are coercive force, coercive force at ground state, maximum volume of magnetic particle showing superparamagnetic behavior and volume of magnetic particle, respectively.
社団法人日本物理学会の論文
1995-10-15