Callen - Termodinamica

Using the convexity of entropy, he derives the conditions for : positive heat capacity, positive compressibility, etc. But more importantly, he introduces the concept of phase transitions as a failure of stability . When the entropy function stops being convex, the system must break into multiple phases.

Callen does something radical. He starts with . callen termodinamica

Beyond the Boiler Room: Why Herbert Callen’s View of Thermodynamics is a Game Changer Using the convexity of entropy, he derives the