Forum Freshman
Joined: 17 Jul 2007
Posts: 67
Location: England
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I admit that there is an element of guesswork here, but;
if you consider, say, three identical identical particles in a line (for example, in a crystal lattice), each of which can have two spin values (up or down), these spins could be arranged in a number of ways. Denoting spin up by + and spin down by -, you could have:
+ + +
+ + -
+ - +
- + +
+ - -
- + -
- - +
and so on.
If,in general, the number of possible configurations is N, I would say that the 'spin entropy' of the system is given by S = kln(N), k being Boltzmann's constant. |
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