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The [[second law of thermodynamics]] predicts that such entropy should increase until equilibrium. But under the theory of statistical mechanics there would always be a nonzero probability that the entropy of an isolated system will spontaneously decrease. The fluctuation theorem precisely quantifies such probability under the theory of statistical mechanics.
The [[second law of thermodynamics]] predicts that such entropy should increase until equilibrium. But under the theory of statistical mechanics there would always be a nonzero probability that the entropy of an isolated system will spontaneously decrease. The fluctuation theorem precisely quantifies such probability under the theory of statistical mechanics.
[[category:physics]]