Ontology type: schema:ScholarlyArticle Open Access: True
2015-12-08
AUTHORSArzhang Ardavan, Alice M Bowen, Antonio Fernandez, Alistair J Fielding, Danielle Kaminski, Fabrizio Moro, Christopher A Muryn, Matthew D Wise, Albert Ruggi, Eric J L McInnes, Kay Severin, Grigore A Timco, Christiane R Timmel, Floriana Tuna, George F S Whitehead, Richard E P Winpenny
ABSTRACTProposals for systems embodying condensed matter spin qubits cover a very wide range of length scales, from atomic defects in semiconductors all the way to micron-sized lithographically defined structures. Intermediate scale molecular components exhibit advantages of both limits: like atomic defects, large numbers of identical components can be fabricated; as for lithographically defined structures, each component can be tailored to optimise properties such as quantum coherence. Here we demonstrate what is perhaps the most potent advantage of molecular spin qubits, the scalability of quantum information processing structures using bottom-up chemical self-assembly. Using Cr7Ni spin qubit building blocks, we have constructed several families of two-qubit molecular structures with a range of linking strategies. For each family, long coherence times are preserved, and we demonstrate control over the inter-qubit quantum interactions that can be used to mediate two-qubit quantum gates. More... »
PAGES15012
http://scigraph.springernature.com/pub.10.1038/npjqi.2015.12
DOIhttp://dx.doi.org/10.1038/npjqi.2015.12
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