Kraus decomposition

The decomposition $\rho ={\sum }_{\alpha }{E}_{\alpha }\rho E_{\alpha }^{†}$, with ${\sum }_{\alpha }{E}_{\alpha }{E}_{\alpha }^{†}=1$, where

• $\rho$ is the Density Operator in a Quantum Hilbert Space $H$.
• $E_{\alpha }$ is a Operator.