Two simple methods for the computation o
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Bo Hellsing; Shin-Ichi Sawada; Horia Mtiu
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Article
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1985
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Elsevier Science
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English
β 507 KB
Two simple methods are presented for Ihe compulation of the density matrix of a localized quantum patiicle. One method is based on a local harmonic approximation and the oiher on a variarional method. which assumes that the density malfix relains a Gaussian runclional form as Ihe lemperalure is decr