STRONG-COUPLING SYSTEM OF THE ELECTRON-RIPPLON ON LIQUID-HELIUM FILM

被引：2
|
作者：
JIN, PW [1 ]
CHEN, CY [1 ]
机构：
[1] CCAST,WORLD LAB,CTR THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
来源：
COMMUNICATIONS IN THEORETICAL PHYSICS | 1993年 / 19卷 / 04期
关键词：
D O I：
10.1088/0253-6102/19/4/421
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The Landau-Pekar variational theory for investigating the strong-coupling system of electron-phonon in crystals is employed to study the system of an electron strongly coupled to ripplons on the outer surface of the liquid-helium film. Analytical expressions of the ground state energy, the effective mass, the average number of virtual ripplons around the electron and the spatial extension of the electron are obtained. A dimensionless quantity of effective mass ratio has been introduced and compared with the model mass and the Feynman mass which exist in the literature.
引用
收藏
页码：421 / 426
页数：6
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