running coupling (English, noun)
expansion: running coupling (plural running couplings)
Senses:
topics: natural-sciences
physical-sciences
physics
glosses: 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.
Forms:
form: running couplings
tags: plural