The story
Named from the independent work of C. N. Yang (1968) and R. J. Baxter (1971).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A consistency equation first introduced in the field of statistical mechanics, based on the idea that, in some scattering situations, particles may preserve their momentum while changing their quantum internal states. Full definition →
Named from the independent work of C. N. Yang (1968) and R. J. Baxter (1971).
Etymology from Wiktionary, CC BY-SA 4.0.