¿Qué es realmente la entropía?

Por • 29 abr, 2022 • Sección: Leyes

Didier Lairez

Even today, the concept of entropy is perceived by many as quite obscure. The main difficulty is analyzed as being fundamentally due to the subjectivity and anthropocentrism of the concept that prevent us to have a sufficient distance to embrace it. However, it is pointed out that the lack of coherence of certain presentations or certain preconceived ideas do not help. They are of three kinds : 1) axiomatic thermodynamics; 2) inconsistent solutions of certain paradoxes; 3) reluctance of physicists to the simplification provided by information theory. The purpose of this paper is to examine these points by paying attention to the structure of the theory, what are the foundations, how ideas articulate, with a peculiar focus on their consistency and economy. It is shown how entropy can be introduced in a more consistent and economical manner, finally allowing a more intuitive understanding.

arXiv:2204.05747v2 [physics.gen-ph] 

General Physics (physics.gen-ph)

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