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Molecular prototypes for spin-based CNOT and SWAP quantum gates
Aromí Bedmar, Guillem; Repollés Rabinad, Ana; Martínez-Pérez, María José; Aguilà Avilés, David; Roubeau, Olivier; Zueco, David; Alonso Gascón, Pablo Javier; Evangelisti, Marco; Camón Lasheras, Agustín; Sesé Monclús, Javier; Barrios Moreno, Leoni Alejandra; Luis Vitalla, Fernando
Universitat de Barcelona
We 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.
2012-05-18
Nanotecnologia
Ordinadors quàntics
Nanotechnology
Quantum computers
(c) American Physical Society 2011
Article
Article - Published version
American Physical Society
         

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