universality class

universality class

[‚yü·nə·vər′sal·əd·ē ‚klas]
(statistical mechanics)
A class of substances which have the same critical exponents according to the universality hypothesis.
References in periodicals archive ?
Next I will explore links to non-equilibrium phase transitions in other areas of science by determining the critical exponents and the universality class of the onset of shear flow turbulence.