An Upper Bound of Fully Entangled Fraction of Mixed States
Xiaofen Huang, Naihuan Jing, Tinggui Zhang
TL;DR
This paper establishes an upper bound on the fully entangled fraction of mixed quantum states, which depends solely on the Frobenius norm, providing a new way to evaluate entanglement in bipartite systems.
Contribution
It introduces a novel upper bound for the fully entangled fraction of bipartite mixed states based on the Frobenius norm, applicable to arbitrary systems.
Findings
Upper bound depends only on Frobenius norm
Applicable to any bipartite mixed state
Provides a new tool for entanglement assessment
Abstract
We study the fully entangled fraction of a quantum state. An upper bound is obtained for arbitrary bipartite system. This upper bound only depends on the Frobenius norm of the state.
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