Open AccessPhysicsEngineering
DOI: 10.1142/s0219749909004839

Abstract

Several quantities of interest in quantum information, including entanglement and purity, are nonlinear functions of the density matrix and cannot, even in principle, correspond to proper quantum o...

Citation format

PARIS, Matteo G. A. Quantum estimation for quantum technology [preprint]. arXiv, 2008. arXiv:0804.2981.