Abstract
A computational study of the redistribution of magnetization in systems of 2–15 coupled spins is presented, exhibiting the principles that govern the application of thermodynamics and statistical mechanics to isolated systems and emphasizing the meaning of equilibrium. In general, the equilibrium distribution is not uniform, i.e., the systems are not ergodic, because a nonuniform initial distribution sets the values of a large number of auxiliary nonphysical constants of the motion.
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Waugh, J.S. Thermodynamic equilibrium in isolated spin systems. Appl. Magn. Reson. 27, 165–170 (2004). https://doi.org/10.1007/BF03166311
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DOI: https://doi.org/10.1007/BF03166311