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Results tagged with entropy
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user 184780
An important extensive property of all systems in thermodynamics, statistical mechanics, and information theory, quantifying their disorder (randomness), i.e., our lack of information about them. It characterizes the degree to which the energy of the system is *not* available to do useful work.
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Is entropy related to Poincare recurrence time?
Yes, entropy and recurrence times are related, indeed proportionally so. … The logarithm of the entropy of a well-defined (eg at a single temperature) system contains the density-of-states, the number of quantum levels in the vicinity of the average energy. …
