Browsing by Author "Joshi, Anoopa"

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    Entanglement and separability of graph Laplacian quantum states
    (Springer, 2022-04-07T00:00:00) Joshi, Anoopa; Singh, Parvinder; Kumar, Atul
    In this article, we study the entanglement properties of multi-qubit quantum states using a graph-theoretic approach. For this, we define entanglement and separability for m-qubit quantum states associated with a weighted graph on 2 m vertices. We further explore the properties of a block graph and a star graph to demonstrate criteria for entanglement and separability of these graphs. � 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.