由QED得到的线性加速度下的Lorentz-Dirac力
The Lorentz-Dirac force from QED for linear acceleration
摘要：
研究了量子电动力学中带电标量粒子在静电势作用下的线性加速波包运动。计算了在hbar -> 0极限下带电粒子加速到一级后的位置在精细结构常数中的期望值。我们发现，由于辐射反应的位置的期望值的变化（位置移动）完全同意使用经典电动力学中的洛伦兹-狄拉克力得到的结果。我们还指出，单回路修正的潜力可能有助于在这个极限的位置变化。
英文摘要：
We investigate the motion of a wave packet of a charged scalar particle linearly accelerated by a static potential in quantum electrodynamics. We calculate the expectation value of the position of the charged particle after the acceleration to first order in the fine structure constant in the hbar -> 0 limit. We find that the change in the expectation value of the position (the position shift) due to radiation reaction agrees exactly with the result obtained using the Lorentz-Dirac force in classical electrodynamics. We also point out that the one-loop correction to the potential may contribute to the position change in this limit.
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