A new constant of motion for an electric charge acted on by a point electric dipole

被引：5

作者：

Gutierrez-Lopez, Sergio ^{[1
]}

Castellanos-Moreno, Arnulfo ^{[1
]}

Arturo Rosas-Burgos, Rodrigo ^{[1
]}

机构：

[1] Univ Sonora, Dept Fis, Hermosillo 83000, Sonora, Mexico

来源：

AMERICAN JOURNAL OF PHYSICS | 2008年 / 76卷 / 12期

关键词：

D O I：

10.1119/1.2980631

中图分类号：

G40 [教育学];

学科分类号：

040101 ; 120403 ;

摘要：

A new constant of the motion is found for an electric charge acted on by an electric dipole. The relation of the constant of the motion to the energy of the particle is found. Some properties of the motion are studied and known results are reproduced more simply. We discuss conditions for the appearance of bounded and unbounded trajectories, motion on a sphere, and on a plane. Small angular oscillations around a stable circular trajectory are also studied. (C) 2008 American Association of Physics Teachers.

引用

页码：1141 / 1145

页数：5

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