Theory of a Polaron at Finite Temperatures
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概要
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[11 order to calculate the effective mass a?td free energy of a polaron at finitetemperatures, Feynman's path-integral formalistn is gezaeralized in the followingtwo points : (a) the most geuaeral quadratic form is used to fully optimize the parti-tion function, attd (b) the IICW definition of the effective mass is iratroduced suchthat the effective mass is determimaed from the acceleration rate against the ficti-tio!s drivinag force which is incorporated in the original Lagrauagiata. The use of(a) leads to a non-liuiear integral equation which determimaes the best trial form.This zaota-liuaear integral equation is solved auaalytically for the Fr6h1ich polarotamodel to obtain the explicit expressiozas for the effective mass anad free euaergy atGnife femnernf?vres ' "'l
- 社団法人日本物理学会の論文
- 1980-09-15
著者
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Saitoh Motohiko
Institute of Physics, College of General Education, Osaka University
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Saitoh Motohiko
Institute Of Physics College Of Arts And Sciences
関連論文
- Stark Ladders in a Two-Dimensional Tight-Binding Lattice
- Magneto-Conductivity of Ripplonic Polarons in a Wigner Crystal
- Theory of Hot Electrons on the Liquid ^4He Surface. II
- Electric Conductivity for Lloyd's Disordered Lattice Model
- Theory of Hot Electrons on the Liquid ^4He Surface
- Theory of Impurity Bands in Magnetic Fields. : III. Temperature Dependence
- Distribution Functions of Degenerate Hot Electrons
- Free Energy of a Polaron in a Strong Magnetic Field
- Theory of a Polaron at Finite Temperatures
- Theory of Cyclotron Resonance of Hot Electrons on the Liquid ^4He
- Theory of Polaron in Weak Magnetic Fields
- Ripplonic Polarons in a Wigner Crystal
- Warm Electrons on the Liquid ^4He Surface