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arXiv · 1402.5664

Rabi oscillations of solitons in spin-chains: a new route to quantum computation and communication

Sylvain Bertaina·Charles-Emmanuel Dutoit·Johan Van Tol·Martin Dressel·Bernard Barbara·Anatoli Stepanov
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Abstract

We provide the first evidence for coherence and Rabi oscillations of spin-solitons pinned by the local breaking of translational symmetry in isotropic Heisenberg chains (simple antiferromagnetic-N\'{e}el or spin-Peierls).We show that these correlated spin systems made of hundreds of coupled spin bear an overall spin S=1/2 and can be manipulated as a single spin. This is clearly contrary to all known spin-qubits which are paramagnetic centres, highly diluted to prevent decoherence. These results offer an alternative approach for spin-qubits paving the way for the implementation of a new type of quantum computer.

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Sylvain Bertaina, Charles-Emmanuel Dutoit, Johan Van Tol, Martin Dressel, Bernard Barbara, Anatoli Stepanov. 2014-02-23. Rabi oscillations of solitons in spin-chains: a new route to quantum computation and communication. https://doi.org/10.1103/physrevb.90.060404

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