Optimizing electrically controlled echo sequences for the exchange-only qubit

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ROHLING, Niklas, Guido BURKARD, 2015. Optimizing electrically controlled echo sequences for the exchange-only qubit. In: Physical Review B. 93(20), 205434. ISSN 2469-9950. eISSN 2469-9969

@article{Rohling2015Optim-34902, title={Optimizing electrically controlled echo sequences for the exchange-only qubit}, year={2015}, doi={10.1103/PhysRevB.93.205434}, number={20}, volume={93}, issn={2469-9950}, journal={Physical Review B}, author={Rohling, Niklas and Burkard, Guido}, note={Article Number: 205434} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/34902"> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2016-07-28T12:43:01Z</dc:date> <dc:contributor>Rohling, Niklas</dc:contributor> <dcterms:issued>2015</dcterms:issued> <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/34902"/> <dcterms:title>Optimizing electrically controlled echo sequences for the exchange-only qubit</dcterms:title> <dc:language>eng</dc:language> <dcterms:abstract xml:lang="eng">Recently, West and Fong [New J. Phys. 14, 083002 (2012)] introduced an echo scheme for an exchange-only qubit, which relies entirely on the exchange-interaction. Here, we compare two different exchange-based sequences and two optimization strategies, Uhrig dynamical decoupling (UDD) and optimized filter function dynamical decoupling (OFDD), which were introduced for a single-spin qubit and are applied in this paper to the three-spin exchange-only qubit. The calculation shows that the adaption of the optimization concepts can be achieved by straight-forward calculation. We consider two types of noise spectra, Lorentzian and Ohmic noise. For both spectra, the results reveal a slight dependence of the performance on the choice of the echo sequence.</dcterms:abstract> <dc:creator>Burkard, Guido</dc:creator> <dc:creator>Rohling, Niklas</dc:creator> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2016-07-28T12:43:01Z</dcterms:available> <dc:contributor>Burkard, Guido</dc:contributor> </rdf:Description> </rdf:RDF>

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