Entanglement of formation from optimal decomposition
Lin Chen, Yi-Xin Chen
TL;DR
This paper introduces a new analytical method for deriving the entanglement of formation of bipartite mixed states, enabling the exploration of its properties and applications to various quantum states.
Contribution
The paper presents a novel analytical approach to find optimal decompositions for entanglement of formation, advancing understanding of its additivity and entanglement cost.
Findings
Derived entanglement of formation for several quantum states
Provided insights into additivity and entanglement cost
Applied method to two-qubit, separable, and Werner states
Abstract
We present a new method of analytically deriving the entanglement of formation of the bipartite mixed state. The method realizes the optimal decomposition families of states. Our method can lead to many new results concerning entanglement of formation, its additivity and entanglement cost. We illustrate it by investigating the two-qubit state, the separable state, the maximally correlated state, the isotropic state and the Werner state.
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Taxonomy
TopicsQuantum Information and Cryptography · Quantum Computing Algorithms and Architecture · Quantum Mechanics and Applications