Monotonicity of the von Neumann Entropy under Quantum Convolution

Salman Beigi, Hami Mehrabi

The quantum entropy power inequality, proven by König and Smith (2012), states that $\exp (S(\rho ⊞\sigma )/m)\ge \frac{1}{2}(\exp (S(\rho )/m)+\exp (S(\sigma )/m))$ for two $m$-mode bosonic qua…