Decoherence of intermolecular entanglement in exchange-coupled nanomagnets

Details Decoherence of intermolecular entanglement in exchange-coupled nanomagnets Decoherence of intermolecular entanglement in exchange-coupled nanomagnets

2010-07-12

arxiv.org/abs/1007.1843v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

We theoretically investigate the hyperfine-induced decoherence in a pair of spin-cluster qubits, consisting of two exchange-coupled heterometallic wheels. We identify two distinct regimes in the decoherence of intermolecular entanglement and show that this can be substantially recovered through dynamical decoupling. Different chemical elements and physical processes are responsible for the decoherence of the singlet-triplet superposition, resulting in a wider tunability of its decoherence time.

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