Semiclassical description of resonant tunneling

被引：19

作者：

Bogomolny, EB

Rouben, DC

机构：

[1] Univ Paris 11, Inst Phys Nucl, Div Phys Theor, CNRS,Unit Rech, F-91405 Orsay, France

[2] Univ Paris 06, Inst Phys Nucl, Div Phys Theor, CNRS,Unit Rech, F-91405 Orsay, France

来源：

EUROPHYSICS LETTERS | 1998年 / 43卷 / 02期

关键词：

D O I：

10.1209/epl/i1998-00327-4

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We derive a semiclassical formula for the tunneling current of electrons trapped in a potential well which can tunnel into and across a wide quantum well. The calculations idealize an experimental situation where a strong magnetic field tilted with respect to an electric field is used. The resulting semiclassical expression is written as the sum over special periodic orbits which hit both walls of the quantum well and are perpendicular to the first wall. Different types of approximations are discussed.

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页码：111 / 116

页数：6

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