On the time evolution of large systems: A soluble model with two-body interactions

H.J. Kreuzer and A.Z. Capri

Physica A: Statistical Mechanics and its Applications, 1975, vol. 81, issue 3, 411-426

Abstract: We study the time evolution of a large system consisting of two kinds of particles that can be transformed into each other by an external field. The introduction of strong enough two-body interactions leads to the emergence of two time scales. The first one is connected with (small) asymptotic oscillations, and the second characteristic time describes a monotonic decay of the initial state. We also solve exactly and study a second model in which the two-body forces are replaced by a pair-production interaction.

Date: 1975
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:81:y:1975:i:3:p:411-426

DOI: 10.1016/0378-4371(75)90056-4

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