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Hiya!

Somewhere in thermodynamics, the thermal wavelength

[tex] \lambda = \frac {h}{\sqrt{2 \pi m k T}} [/tex]

appears, apparently out of nothing (well, out of the canonical state integral).

Does anyone know what the physical meaning of this wavelength is?

Also, what is the physical meaning of the fugacity [tex] z = e^{\beta \mu} [/tex] ?

Somewhere in thermodynamics, the thermal wavelength

[tex] \lambda = \frac {h}{\sqrt{2 \pi m k T}} [/tex]

appears, apparently out of nothing (well, out of the canonical state integral).

Does anyone know what the physical meaning of this wavelength is?

Also, what is the physical meaning of the fugacity [tex] z = e^{\beta \mu} [/tex] ?

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