Affiliation:
1. Steklov Mathematical Institute of Russian Academy of Science, Moscow, Russia
Abstract
It is proved that the energy-constrained Bures distance between arbitrary infinite-dimensional quantum channels is equal to the operator E-norm distance from any given Stinespring isometry of one channel to the set of all Stinespring isometries of another channel with the same environment. The same result is shown to be valid for arbitrary quantum operations.
Funder
Ministry of Science and Higher Education of Russian Federation
Subject
Mathematical Physics,Statistical and Nonlinear Physics
Cited by
1 articles.
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