Average-fluctuations separation in energy levels in dense interacting Boson systems

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• 作者：Patel ; Kinnary ; Desai ; M.S. ; Potbhare ; V. ; Kota ; V.K.B.
• 关键词：05.30.Jp ; 05.40 ; 05.45.Mt ; Average-fluctuations separation ; Interacting bosons ; Dense limit ; EGOE(2) ; GOE ; Gaussian densities
• 刊名：Physics Letters A
• 出版年：2000
• 期刊代码：57_03759601
• 类别：ph
• 出版时间：October 23, 2000
• 卷：275
• 期：5-6
• 页码：329-337
• 文件大小：220 K

摘要

Using embedded Gaussian orthogonal random matrix ensemble of two-body interactions (EGOE(2)), it is demonstrated that finite interacting boson systems in the dense limit exhibit average-fluctuations separation with the smoothed state density being a Gaussian (with corrections) and the fluctuations are of GOE type.