Irreversibility of physical systems is discussed by considering the simplest example of a low-density gas, either in isolation or in thermal equilibrium with the walls of a container. Attention is concentrated on an analysis of a logical scheme for a theoretical description of the irreversibility.

PACS: 05.70.Ln, 89.70.+c (all) DOI: 10.1070/PU1995v038n08ABEH000102 URL: https://ufn.ru/en/articles/1995/8/e/ A1995TF94900005 Citation: Kadomtsev B B "Classical and quantum irreversibility" Phys. Usp. 38 923–929 (1995) BibTexBibNote ® (generic)BibNote ® (RIS)MedlineRefWorks Оригинал: Кадомцев Б Б «Необратимость классическая и квантовая» УФН 165 967–973 (1995); DOI: 10.3367/UFNr.0165.199508e.0967