Pure state
= Pure state
{wiki}
= Pure quantum state
{synonym}
A <pure quantum state> is represented by a unit vector $|\psi\rangle$ up to <global phase>, or equivalently by the rank-one <density operator> $|\psi\rangle\langle\psi|$.
= Pure state
{wiki}
= Pure quantum state
{synonym}
A <pure quantum state> is represented by a unit vector $|\psi\rangle$ up to <global phase>, or equivalently by the rank-one <density operator> $|\psi\rangle\langle\psi|$.