A pseduomixture of states is an affine combination of states, i.e.

ρ = ∑jrjρj where ∑jrj = 1 and the rj are real.

This is different from a mixture of states in that for a mixture, the rj have to be non-negative.

See also

Category:Quantum States Category:Mathematical Structure

Last modified: 
Monday, October 26, 2015 - 17:56