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Unformatted text preview: MIT OpenCourseWare http://ocw.mit.edu 8.044 Statistical Physics I Spring 2008 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms . = ( E, V, N . . . ) Volume of the accessible region of phase space. 8.044 L14B1 4. Entropy S ( E, V, N ) k ln ( E, V, N ) k ln ( E, V, N ) Differ only by ln N k ln ( E, V, N ) It is a state function. It is extensive. It is a logarithmic measure of the microscopic de- generacy associated with a macroscopic (that is, ther- modynamic) state of the system. k is Boltzmanns constant, units of energy per K . 8.044 L14B2 5. Statistical Mechanical Definition of Temperature 1 2 dQ Total is microcanonical d /W 1 2 = 0 interaction between 1 & Find the most probable E 1 2 is so small that can E be separated 1 8.044 L14B3 p ( E 1 ) = = 1 ( E 1 ) 2 ( E E 1 )...
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This note was uploaded on 11/08/2011 for the course PHYSICS 8.004 taught by Professor Staff during the Spring '08 term at MIT.

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lec14 - MIT OpenCourseWare http://ocw.mit.edu 8.044...

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