Non-relativistic quantum electrodynamics
Non-relativistic quantum electrodynamics (NRQED) is a low energy approximation of quantum electrodynamics which describes the interaction of (non-relativistic, i.e. moving at speeds much smaller than the speed of light) spin one-half particles (e.g., electrons) with the quantized electromagnetic field.
NRQED is an effective field theory suitable for calculations in atomic and molecular physics, for example for computing QED corrections to bound energy levels of atoms and molecules.
References
- Caswell, W.E.; Lepage, G.P. (1986). "Effective lagrangians for bound state problems in QED, QCD, and other field theories". Physics Letters B. Elsevier BV. 167 (4): 437–442. Bibcode:1986PhLB..167..437C. doi:10.1016/0370-2693(86)91297-9. ISSN 0370-2693.
- Labelle, Patrick (1992). "Nrqed in Bound States: Applying Renormalization to an Effective Field Theory". arXiv:hep-ph/9209266. Bibcode:1992hep.ph....9266L.
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