摘要
本文讨论了带电粒子在正交的电场和磁场中于不同条件下的旋轮线轨迹,并讨论了这些不同形状的旋轮线是怎样由圆轮的纯滚动形成的,使带电粒子的运动过程更加直观,并且运用物理方法导出了旋轮线曲率半径的普遍公式.
This paper discusses the cycloid trajectory of a charged particle moving in a crossed uniform electric and magnetic field and how it is formed by a wheel rolling.In order to make the motion of the charged particle to be clear,we also use physical analysis to bring forward the formula of cycloid radius of curvature.
出处
《大学物理》
北大核心
2011年第5期35-38,共4页
College Physics
关键词
带电粒子
电场
磁场
旋轮线
曲率半径
effective mass
electric field
magnetic field
cycloid
radius of curvature
