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PHY 418: Statistical Mechanics I
Prof. S. Teitel stte@pas.rochester.edu ---- Spring 2011
February
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1
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2
lecture 7
microcanonical ensemble, density of states and connection to entropy, entropy of the ideal gas and problem of extensivity
HW #1 due
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3
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4
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5
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6
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7
lecture 8
entropy of mixing and Gibbs' paradox, indistinguishable particles, canonical ensemble
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8
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9
lecture 9
Helholtz free energy and the canonical partition function, energy fluctuations, equivalence of canonical and microcanonical ensembles in the thermodynamic limit, average energy vs most probably energy, Stirling's formula
HW #2 due
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10
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11
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12
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13
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14
lecture 10
factoring the canonical partition function for non-interacting objects, Maxwell velocity distribution revisited, the virial theorm
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15
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16
lecture 11
the equipartition theorem, elastic vibrations of a solid and the law of Dulong and Petit, paramagnetism of classical spins and the Curie law of paramagnetic susceptibility
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17
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18
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19
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20
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21
lecture 12
entropy and information
HW #3 due
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22
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23
lecture 13
the grand canonical partition function and the grand potential, fluctuations in the number of particles
drop/add/audit deadline
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24
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25
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26
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27
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28
lecture 14
fluctuations in the grand canonical ensemble, the grand canonical partition function for non-interacting particles, chemical equilibrium, a gas in equilibrium with a surface of absorption sites
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