New one shot quantum protocols with application to communication complexity

Anurag Anshu, Rahul Jain, Priyanka Mukhopadhyay +2

In this paper we present the following quantum compression protocol: P : Let $\rho ,\sigma$ be quantum states such that $S(\rho ||\sigma )=\text{Tr}(\rho \log \rho -\rho \log \sigma )$, the relative entropy betwe…