Almeida, M.P. - In: Physica A: Statistical Mechanics and its Applications 325 (2003) 3, pp. 426-438
This is an analysis of the thermodynamical entropy of systems with finite heat baths and of its additivity. It is presented an expression for the physical entropy of weakly interacting ergodic systems, and it is shown how it relates to the traditional entropies of the micro-canonical (constant...