{"title":"A variational method in statistical mechanics","authors":"R. Phythian","doi":"10.1088/0305-4470/5/11/004","DOIUrl":null,"url":null,"abstract":"A variational method, similar to the Frenkel variational method of quantum mechanics, is derived for the time development of phase functions of a system. It is shown how this method may be used to obtain approximations for quantities of interest such as the density autocorrelation function of a fluid in equilibrium.","PeriodicalId":54612,"journal":{"name":"Physics-A Journal of General and Applied Physics","volume":"17 1","pages":"1566-1572"},"PeriodicalIF":0.0000,"publicationDate":"1972-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physics-A Journal of General and Applied Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1088/0305-4470/5/11/004","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
A variational method, similar to the Frenkel variational method of quantum mechanics, is derived for the time development of phase functions of a system. It is shown how this method may be used to obtain approximations for quantities of interest such as the density autocorrelation function of a fluid in equilibrium.
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