2012/09/23 by Ali Saif M. Hassan, Hassan, Ali Saif M., Pramod S. Joag +1
Computer Science · Physics and Astronomy · #FOS: Physical sciences #Quantum Information and Cryptography #Quantum Mechanics and Applications #Quantum Physics (quant-ph) #Quantum optics and atomic interactions #quant-ph
paper · pdf · doi:10.48550/arxiv.1209.5035
4 pages, no figures, proof of theorm 2 modified
openalex publication_date 2012/09/23 · arxiv created 2013/03/05 · arxiv updated 2013/03/06 · openalex created_date 2022/08/14 · openalex updated_date 2026/07/28
We show that the quantum discord and the measurement induced non-locality (MiN) in a bipartite quantum state is invariant under the action of a local quantum channel if and only if the channel is invertible. In particular, these quantities are invariant under a local unitary channel.