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- adj. Not affected by a specified group action.
Sorry, no etymologies found.
In particular, these distributions are stationary or, what amounts to the same thing within the framework of Bohmian mechanics, equivariant.
A probability distribution ÏÏ on configuration space, depending upon the wave function Ï, is equivariant if
It is an immediate consequence of the guiding equation and the quantum continuity equation that ÏÏ = | Ï (q) | 2 is equivariant.