A second pregenital phase is the sadistic-anal organization.
"Three Contributions to the Theory of Sex" by Sigmund Freud
The sadistico-anal organization is the step antecedent to the phase of genital primacy.
"A General Introduction to Psychoanalysis" by Sigmund Freud
In order to prove Theorem 1 and Theorem 2, we analize how two-qubit diagonal gates in the phase-random circuits transform an initial state |φ0 i.
Diagonal-unitary 2-designs and their implementations by quantum circuits