An introduction to NRQED

被引：23
作者：
Paz, Gil [1 ]
机构：
[1] Wayne State Univ, Dept Phys & Astron, Detroit, MI 48201 USA
来源：
MODERN PHYSICS LETTERS A | 2015年 / 30卷 / 26期
关键词：
Effective field theory; NRQED; SPIN; 1/2; SCATTERING; ELECTRON; QCD;
D O I：
10.1142/S021773231550128X
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present a pedagogical introduction to NRQED (non-relativistic quantum electrodynamics). NRQED is an effective field theory that describes the interaction of non-relativistic, possibly composite, spin-1/2 particle with the electromagnetic field. We explain in detail how the NRQED Lagrangian is constructed up to and including order 1/M-2, where M is the mass of the spin-1/2 particle. As a sample application, we derive the Thomson scattering cross-section for the low energy scattering of a photon and a possibly composite spin-1/2 particle.
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页数：10
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