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Title

A scalable architecture for quantum computation with molecular nanomagnets

AuthorsJenkins, Mark; Zueco, David; Roubeau, Olivier; Aromí, Guillem; Majer, J.; Luis, Fernando
Issue Date2016
PublisherRoyal Society of Chemistry (Great Britain)
CitationDalton Transactions 45(42): 16682-16693 (2016)
AbstractA proposal for a magnetic quantum processor that consists of individual molecular spins coupled to superconducting coplanar resonators and transmission lines is carefully examined. We derive a simple magnetic quantum electrodynamics Hamiltonian to describe the underlying physics. It is shown that these hybrid devices can perform arbitrary operations on each spin qubit and induce tunable interactions between any pair of them. The combination of these two operations ensures that the processor can perform universal quantum computations. The feasibility of this proposal is critically discussed using the results of realistic calculations, based on parameters of existing devices and molecular qubits. These results show that the proposal is feasible, provided that molecules with sufficiently long coherence times can be developed and accurately integrated into specific areas of the device. This architecture has an enormous potential for scaling up quantum computation thanks to the microscopic nature of the individual constituents, the molecules, and the possibility of using their internal spin degrees of freedom.
DescriptionarXiv:1610.06091v1
Publisher version (URL)https://doi.org/10.1039/c6dt02664h
URIhttp://hdl.handle.net/10261/148589
DOI10.1039/c6dt02664h
Identifiersdoi: 10.1039/c6dt02664h
e-issn: 1477-9234
issn: 1477-9226
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