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Molecular prototypes for spin-based CNOT and SWAP quantum gates

AuthorsLuis, Fernando; Repollés, A.; Martínez Pérez, M. J.; Aguilà, D.; Roubeau, Olivier; Zueco, David; Alonso, Pablo J.; Evangelisti, Marco; Camón, Agustín; Sesé Monclús, Javier ; Barrios, L. A.; Aromí, Guillem
Issue DateSep-2011
PublisherAmerican Physical Society
CitationPhysical Review Letters 107(11): 117203 (2011)
AbstractWe show that a chemically engineered structural asymmetry in [Tb2] molecular clusters renders the two weakly coupled Tb3+ spin qubits magnetically inequivalent. The magnetic energy level spectrum of these molecules meets then all conditions needed to realize a universal CNOT quantum gate. A proposal to realize a SWAP gate within the same molecule is also discussed. Electronic paramagnetic resonance experiments confirm that CNOT and SWAP transitions are not forbidden.
Description5 páginas, 5 figuras.-- PACS numbers: 75.50.Xx, 03.67.Lx, 75.40.Gb, 85.65.+h
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevLett.107.117203
Appears in Collections:(ICMA) Artículos
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