Energy Level Statistics in Particle—Rotor Model-中国Betway体育网页登陆

摘要 Energylevelstatisticsofasystemconsistingofsixparticlesinteractingbydeltaforceinatwo-jmodelcoupledwithadeformedcoreisstudiedinparticle-rotormodel.Forsingle-jshell(i13/2)andtwo-jshell(g7/2+d5/2)theexactenergiesforourstatisticalanalysisareobtainedfromafulldiagonalizationoftheHamiltonian,whileintwo-jcase(i13/2+g9/2)theconfigurationtruncationisused.Thenearest-neighbordistributionofenergylevelsandspectralrigidityarestudiedasthefunctionofspin.Theresultsofsingle-jshellarecomparedwiththoseintwo-jcase.Itisshowedthatthesystembecomesmoreregularwhensingle-jspace(i13/2)isreplacedbytwo-jshell(g7/2+d5/2)althoughthebasissizeoftheconfigurationspaceisunchanged.Thedegreeofchaoticityofthesystem,however,changesslightlywhenconfigurationspaceisenlargedbyextendingsingle-jshell(i13/2)totwo-jshell(i13/2+g9/2).

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Energy Level Statistics in Particle—Rotor Model

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