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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. 167 (4). Elsevier BV: 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. {{cite journal}}: Cite journal requires |journal= (help)

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v t e Quantum electrodynamics
Formalism	Euler–Heisenberg Lagrangian Feynman diagram Gupta–Bleuler formalism Path integral formulation
Particles	Dual photon Electron Faddeev–Popov ghost Photon Positron Positronium Virtual particles
Concepts	Anomalous magnetic dipole moment Furry's theorem Klein–Nishina formula Landau pole QED vacuum Self-energy Schwinger limit Uehling potential Vacuum polarization Vertex function Ward–Takahashi identity
Processes	Bhabha scattering Breit–Wheeler process Bremsstrahlung Compton scattering Delbrück scattering Lamb shift Møller scattering Schwinger effect Photon-photon scattering
See also: Template:Quantum mechanics topics

• Quantum physics stubs
• Quantum electrodynamics