Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics A small difference in energy between two energy levels of the hydrogen atom in quantum electrodynamics, which can be interpreted as the influence of virtual photons that have been emitted and re-absorbed.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Named after Willis Lamb (1913-2008).

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