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Routing a quantum state in a bio-inspired network

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Abstract

We consider a spin network resembling an \(\alpha \)-helix structure and study quantum information transfer over this bio-inspired network. The model we use is the Davydov model in its elementary version without a phononic environment. We investigate analytically and numerically the perfect state transfer (PST) in such a network which provides an upper bound on the probability of quantum states transfer from one node to another. We study PST for different boundary conditions on the network and show it is reachable between certain nodes and with suitable spin–spin couplings.

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Acknowledgements

This work was partially supported by the European Union’s Horizon 2020 Research and Innovation Programme under Grant Agreement No. 964203 (FET-Open LINkS project). RF also acknowledges support from the RESEARCH SUPPORT PLAN 2022—Call for applications for funding allocation to research projects curiosity driven (F CUR)—Project “Entanglement Protection of Qubits’ Dynamics in a Cavity”—EPQDC and the support by the Italian National Group of Mathematical Physics (GNFM-INdAM).

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Authors and Affiliations

  1. Computational Biomedicine, Institute for Advanced Simulation IAS-5, and Institute of Neuroscience and Medicine INM-9, Forschungszentrum Jülich, 52428, Jülich, Germany

    Elham Faraji

  2. School of Science and Technology, University of Camerino, 62032, Camerino, Italy

    Elham Faraji & Stefano Mancini

  3. Aix Marseille Univ, Université de Toulon, CNRS, CPT, Marseille, France

    Elham Faraji & Marco Pettini

  4. INFN Sezione di Perugia, 06123, Perugia, Italy

    Elham Faraji, Stefano Mancini & Roberto Franzosi

  5. Department of Physics, Sirjan University of Technology, Sirjan, 7813733385, Iran

    Alireza Nourmandipour

  6. CNRS Centre de Physique Théorique UMR7332, 13288, Marseille, France

    Marco Pettini

  7. DSFTA, University of Siena, Via Roma 56, 53100, Siena, Italy

    Roberto Franzosi

  8. QSTAR and INO-CNR, Largo Enrico Fermi 2, 50125, Florence, Italy

    Roberto Franzosi

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  1. Elham Faraji
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  2. Alireza Nourmandipour
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  3. Stefano Mancini
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  4. Marco Pettini
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  5. Roberto Franzosi
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Correspondence to Elham Faraji.

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Faraji, E., Nourmandipour, A., Mancini, S. et al. Routing a quantum state in a bio-inspired network. Quantum Inf Process 22, 266 (2023). https://doi.org/10.1007/s11128-023-03942-1

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