Consider a rigid lattice of distinguishable spin 1/2 atoms in a magnetic field. The spins have two states, with energies -Ho H and +HoH for spins up (t) and down (4), respectively, relative to H. The system is at temperature Т. (a) Determine the canonical partition function z for this system. (b) Determine the total magnetic moment M = µo(N+ – N-) of the system. (c) Determine the entropy of the system.
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