FFLO phase

Etymology
From the initials of the names of the physicist theoreticians who predicted this superconducting phase: Peter Fulde, Richard Ferrell, Anatoly Larkin, and Yuri Ovchinniko.

Noun

 * 1) A type of superconducting phase, characterized by the presence of Cooper pairs with nonzero center-of-mass momentum and a spatially non-uniform superconducting order parameter.