摘要
一般情况下,两电流元间相互作用力是不满足牛顿第三定律的,从而两运动的带电粒子在电磁力相互作用下,它们的机械动量是不守恒的.在考虑到运动的带电粒子的机械动量的同时,也考虑到电磁场的能量和动量,从而证明了,在运动的带电粒子和电磁场组成的系统中动量仍然是守恒的.
Generally speaking, the interacting forces between two current elements do not satisfy Newton third law, that is, the total mechanical momentum of the moving charges are not conserved under the interaction of the electromagnetic forces. This paper has proved that the system consisting of the moving charge particles is still complied with the law of conservation of momentum, if,in addition,the momentum of the electromagnetic field is considered.
出处
《辽宁师范大学学报（自然科学版）》
CAS
2004年第1期123-125,共3页
Journal of Liaoning Normal University:Natural Science Edition
关键词
电流元
电磁场
守恒定律
张量
机械动量
current element
electromagnetic field
the law of conservation
tensor
