A scalable architecture for quantum computing requires logical units supporting quantum-error correction. In this respect, magnetic molecules are particularly promising, since they allow one to define logical qubits with embedded quantum-error correction by exploiting multiple energy levels of a single molecule. The single-object nature of this encoding is expected to facilitate the implementation of error correction procedures and logical operations. In this work, we make progress in this direction by showing how two-qubit gates between error-protected units can be realised, by means of easily implementable sequences of electro-magnetic pulses.
Embedded quantum-error correction and controlled-phase gate for molecular spin qubits / Chiesa, A.; Petiziol, F.; MacAluso, E.; Wimberger, S.; Santini, P.; Carretta, S.. - In: AIP ADVANCES. - ISSN 2158-3226. - 11:2(2021), p. 025134. [10.1063/9.0000166]
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