Can We Apply Statistical Laws to Small Systems? the Cerium Atom

Simple item page
dc.creatorFlambaum, V. V.
dc.creatorGribakina, A. A.
dc.creatorGribakin, G. F.
dc.creatorPonomarev, I. V.
dc.date1997-10-17
dc.date.accessioned2026-07-07T03:09:16Z
dc.date.available2026-07-07T03:09:16Z
dc.descriptionIt is shown that statistical mechanics is applicable to quantum systems with finite numbers of particles, such as complex atoms, atomic clusters, etc., where the residual two-body interaction is sufficiently strong. This interaction mixes the unperturbed shell-model basis states and produces ``chaotic'' many-body eigenstates. As a result, an interaction-induced equilibrium emerges in the system, and temperature can be introduced. However, the interaction between the particles and their finite number can lead to prominent deviations of the equilibrium occupation numbers distribution from the Fermi-Dirac shape. For example, this takes place in the cerium atom with four valence electrons, which was used to compare the theory with realistic numerical calculations.
dc.description4 pages, Latex, two figures in eps-format
dc.identifierhttps://arxiv.org/abs/cond-mat/9710172
dc.identifierhttp://arxiv.org/abs/cond-mat/9710172
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/27818
dc.subjectStatistical Mechanics
dc.titleCan We Apply Statistical Laws to Small Systems? the Cerium Atom
dc.typetext

Files

Collections

arXiv