Expansion parameter of perturbation theory in intense-field quantum electrodynamics

Expansion parameter of perturbation theory in intense-field quantum electrodynamics
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DOI:
10.1103/physrevd.21.1176
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发表时间:
1980-02
期刊:
影响因子:
5
通讯作者:
N. Narozhny
N. Narozhny
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
N. Narozhny

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研究了电子和光子弹性散射振幅的渐近行为。cap alpha../研究了在强恒定电磁场作用下,结果表明,强场量子电动力学微扰理论的展开参数为阿尔法帽。当chi >> 1时,chi/sup 2/3/,其中chi =((eF/sub munu/p/sub. nu../)/ sup 2/)/sup 1/2//m/sup 3/ with p/sub .. mu../粒子的动量和F/sub munu/电磁场张量
The asymptotic behavior of electron and photon elastic scattering amplitudes of order ..cap alpha../sup 3/ in an intense constant electromagnetic field are studied. It is shown that the expansion parameter of perturbation theory in intense-field quantum electrodynamics is ..cap alpha..chi/sup 2/3/ when chi >> 1, where chi = ((eF/sub munu/p/sub ..nu../)/sup 2/)/sup 1/2//m/sup 3/ with p/sub ..mu../ the momentum of the particle and F/sub munu/ the electromagnetic field tensor.