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Quantum entanglement in heterometallic wheels

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Abstract

Molecular nanomagnets are widely engineerable, low-dimensional spin systems, and typically exhibit strongly correlated ground states. This makes them an ideal playground for investigating quantum entanglement. Here, we present a theoretical investigation of entanglement in a relevant class of nanomagntes, namely the Cr-based wheels. We use exchange energy as a simple means for detecting spin-pair and multi-spin entanglement, and derive the temperature range where such correlations are present in the equilibrium state of the molecules.

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Authors and Affiliations

  1. Dipartimento di Scienze Fisiche, Informatiche e Matematiche, Università di Modena e Reggio Emilia, 41125, Modena, Italy

    Ilaria Siloi

  2. S3 Istituto Nanoscienze-CNR, 41125, Modena, Italy

    Ilaria Siloi & Filippo Troiani

Authors
  1. Ilaria Siloi
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  2. Filippo Troiani
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Correspondence to Ilaria Siloi.

Additional information

Contribution to the Topical Issue “New Trends in Magnetism and Magnetic Materials”, edited by Francesca Casoli, Massimo Solzi and Paola Tiberto.

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Siloi, I., Troiani, F. Quantum entanglement in heterometallic wheels. Eur. Phys. J. B 86, 71 (2013). https://doi.org/10.1140/epjb/e2012-30681-1

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  • DOI: https://doi.org/10.1140/epjb/e2012-30681-1

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