有质量标量场耦合点源的自作用力
Self force on a point-like source coupled with massive scalar field
摘要：
研究了在平坦时空中运动的标量电荷所受辐射反作用力的确定问题。一个一致的重整化过程，利用庞加莱不变性的理论。提取了有质量标量场携带的Noether量的辐射部分。能量-动量和角动量平衡方程给出辐射电荷在外力作用下的Harish-Chandra运动方程。这个方程包含了粒子自身场的影响。自作用力产生一个随时间变化的惯性质量。
英文摘要：
The problem of determining the radiation reaction force experienced by a scalar charge moving in flat spacetime is investigated. A consistent renormalization procedure is used, which exploits the Poincaré invariance of the theory. Radiative parts of Noether quantities carried by massive scalar field are extracted. Energy-momentum and angular momentum balance equations yield Harish-Chandra equation of motion of radiating charge under the influence of an external force. This equation includes effect of particle's own field. The self force produces a time-changing inertial mass.
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