All Questions
1
question
4
votes
1
answer
1k
views
Relationships between elements in the density matrix
Say we have a density matrix for a spin-1 system given by:
$$
\hat \rho = \left[\begin{array} A \hat \rho_{00}& \hat \rho_{01} & \hat \rho_{02} \\
\hat \rho_{10} & \hat \rho_{11} & \...