Consider a magnetic system with n independent molecules per unit volume, each of which has four energy levels given by €; = {0 ; A – gµâB ; A ; A + gµBB} where 'A' is a positive quanta of energy and g is a constant. (c) Compute the magnetization M (d) Show that the magnetic susceptibility x is given by X = lim B→0 HoM B 2n4.(gµB)² kgT (3+ e^/(kbT))
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