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Thermodynamics: Gas
Terms and Formulae
Terms
Bose Gas
 A Bose gas is a gas consisting of bosons.
Boson
 A boson is a particle with integer spin.
Classical Regime
 The classical regime is that in which gases behave classically, namely
without demonstrating bosonic or fermionic character. We can define the regime as
f
1 or
n
n
Q
.
Degenerate
 Term used for a gas when it is too dense to be considered as being in the classical
regime, i.e.
n
>
n
Q
.
Distribution Function
 The distribution function,
f
, gives the average number of particles in
an orbital.
Einstein Condensation
 Also known as bose condensation, the effect of boson crowding in the
ground orbital.
Einstein Condensation Temperature
 The temperature below which Einstein Condensation
significantly occurs, given by
τ
âÉá
.
Equipartition
 A classical shortcut that assigns to one particle energy of
τ
per degree of
freedom in the classical expression of its energy.
Fermi Energy
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 Fall '10
 DavidJudd
 Physics, Thermodynamics

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