ORCID Profile
0000-0001-5142-9585
Current Organisation
University of St Andrews
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Publisher: IOP Publishing
Date: 18-07-2013
Publisher: American Physical Society (APS)
Date: 09-06-2017
Publisher: American Chemical Society (ACS)
Date: 28-06-2021
Publisher: The Royal Society
Date: 15-07-2003
Abstract: Most experts agree that it is too early to say how quantum computers will eventually be built, and several nanoscale solid-state schemes are being implemented in a range of materials. Nanofabricated quantum dots can be made in designer configurations, with established technology for controlling interactions and for reading out results. Epitaxial quantum dots can be grown in vertical arrays in semiconductors, and ultrafast optical techniques are available for controlling and measuring their excitations. Single-walled carbon nanotubes can be used for molecular self-assembly of endohedral fullerenes, which can embody quantum information in the electron spin. The challenges of in idual addressing in such tiny structures could rapidly become intractable with increasing numbers of qubits, but these schemes are amenable to global addressing methods for computation.
Publisher: Elsevier BV
Date: 10-2012
DOI: 10.1016/J.JMR.2012.08.011
Abstract: Over approximately the last 15 years the electron paramagnetic resonance (EPR) technique of double electron electron resonance (DEER) has attracted considerable attention since it allows for the precise measurement of the dipole-dipole coupling between radicals and thus can lead to distance information between pairs of radicals separated by up to ca. 8 nm. The "deadtime free" 4-pulse DEER sequence is widely used but can suffer from poor sensitivity if the electron spin-echo decays too quickly to allow collection of a sufficiently long time trace. In this paper we present a method which takes advantage of the much greater sensitivity that the 3-pulse sequence offers over the 4-pulse sequence since the measured electron spin-echo intensity (for equal sequence lengths) is greater. By combining 3- and 4-pulse DEER time traces using a method coined DEER-Stitch (DEERS) accurate dipole-dipole coupling measurements can be made which combine the sensitivity of the 3-pulse DEER sequence with the deadtime free advantage of the 4-pulse DEER sequence. To develop the DEER-Stitch method three systems were measured: a semi-rigid bis-nitroxide labeled nanowire, the bis-nitroxide labeled protein CD55 with a distance between labels of almost 8 nm and a dimeric copper amine oxidase from Arthrobacter globiformis (AGAO).
Publisher: American Physical Society (APS)
Date: 09-10-2014
Publisher: American Association for the Advancement of Science (AAAS)
Date: 14-01-2022
Abstract: In a major step toward the development of a quantum battery, superabsorption has been achieved in an organic microcavity.
Publisher: IOP Publishing
Date: 22-02-2001
Publisher: Springer Science and Business Media LLC
Date: 24-03-2022
Publisher: AIP Publishing
Date: 12-09-2016
DOI: 10.1063/1.4962811
Abstract: We study the energetics of a superconducting double dot, by measuring both the quantum capacitance of the device and the response of a nearby charge sensor. We observe different behaviour for odd and even charge states and describe this with a model based on the competition between the charging energy and the superconducting gap. We also find that, at finite temperatures, thermodynamic considerations have a significant effect on the charge stability diagram.
Publisher: IOP Publishing
Date: 16-01-2007
Location: United Kingdom of Great Britain and Northern Ireland
Location: United Kingdom of Great Britain and Northern Ireland
Location: United Kingdom of Great Britain and Northern Ireland
Location: United Kingdom of Great Britain and Northern Ireland
No related grants have been discovered for Brendon Lovett.