running couplings

A form of running coupling — A coupling whose strength measurement appears to deviate from its true value as the energy scale at which it is probed shrinks, the deviation being a consequence of higher-order interaction terms and associated renormalization issues becoming relevant; metaphorically, a coupling whose strength "runs" from its limiting macroscopic value.

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Meanings

noun
  1. pluralplural of running coupling
Cite this entry
APA

running couplings. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/running%20couplings

MLA

“running couplings.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/running%20couplings. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “running couplings,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/running%20couplings.

Source: running couplings on Wiktionary, CC BY-SA 4.0.