Calculating Concentratable Entanglement in Graph States
arXiv:2207.11997 · doi:10.1103/PhysRevA.106.042411
Abstract
We propose a method to calculate the purity of reduced states of graph states entirely within the stabilizer formalism, using only the stabilizer generators for a given state. We apply this method to find the Concentratable Entanglement of graph states, with examples including a single qubit within any graph state, states proposed for use in quantum repeaters and states that maximise and minimise the overall Concentratable Entanglement.
arXiv comment9 pages, 4 figures
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- Correspondence between quasiparticle dissipation and quantum information decay in open quantum systems
- Localizing multipartite entanglement with local and global measurements
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