Re: Thermodynamics and Symmetry

[Jim Green <JMGreen@sisna.com>]

Yes, but the Lagrangian of what  when invariant under what tranlslation
gives rise to what thermodynamic proiperty -- as Callen seems to be
suggesting?

At 09:39 PM 3/22/98 -0500, you wrote:
> Noether was indeed a woman, first name "Emmy".
> Examples of the theorem: If the Lagrangian is invariant under rotations,
> one gets the conservation of angular momentum, invariance under
> translations gives conservation of momentum. These days one expects
> Lagrangians invariant under various quantities which would yield
> conservation of charge, isospin, hypercharge and the wierd things one
> finds conserved in the reactions of subnuclear particles.
>
> 	J. Epstein