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Equilibrium state - statistical intuition

  1. Jul 16, 2010 #1
    Can anyone give me some intuitive arguments about why
    all the accessible microstates of the system are equally likely in equillibrium
    state.
     
  2. jcsd
  3. Jul 16, 2010 #2
    I guess there isn't an argument. If in probability theory you don't know the distribution (like the probability of a price behind one of three doors), then you assume equal distribution.

    In all cases where microstates are not equally distributed you simply cannot apply entropy that way.

    So in a way entropy is restricted to completely random and homogeneous systems like gases unless you find a way to define microstates with equal probabilities.
     
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