state

State vectors

Functions

Predefined states

Certain state are pre-defined: up: u, down: d, singlet state: s, triplet states: t1 = u**u, t2 = (u**d-d**u).N, and t3 = d**d

s &= \left( \Ket{ud} - \Ket{du} \right) / \sqrt{2} \\ t_1 &= \Ket{uu} \\ t_2 &= \left( \Ket{ud} + \Ket{du} \right) / \sqrt{2} \\ t_3 &= \Ket{dd}

Class

Density matrix functions