Super fidelity and related metrics
Zhihua Chen, Zhihao Ma, Fulin Zhang, Jing‐Ling Chen · Open Physics · 2010
Abstract We report a new metric of quantum states. This metric is built up from super-fidelity, which has a deep connection with the Uhlmann-Jozsa fidelity and plays an important role in quantum information processing. We find that the new metric possesses some interesting properties.