New posts in Density Operator

Does correlation of the measurement outcomes imply that a state is entangled?

What is the actual meaning of the density operator?

Density matrix formalism

What is the Reduced Density Matrix?

Classical and quantum probabilities in density matrices

How is quantum superposition different from mixed state?

Sum of two density matrices: $\rho=p_1\rho_1+p_2\rho_2$

How to compute the pure extensions of a given mixed state?

What is quantum entanglement?