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Theory of Spin-Conserving Excitation of the N-V- Center in Diamond
Budapest University of Technology & Economics.
Linköping University, Department of Physics, Chemistry and Biology, Materials Science . Linköping University, The Institute of Technology.
University of Bremen.
University of Vienna.
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2009 (English)In: PHYSICAL REVIEW LETTERS, ISSN 0031-9007, Vol. 103, no 18, 186404- p.Article in journal (Refereed) Published
Abstract [en]

The negatively charged nitrogen-vacancy defect in diamond is an important atomic-scale structure that can be used as a qubit in quantum computing and as a marker in biomedical applications. Its usefulness relies on the ability to optically excite electrons between well-defined gap states, which requires a clear and detailed understanding of the relevant states and excitation processes. Here we show that by using hybrid density-functional-theory calculations in a large supercell we can reproduce the zero-phonon line and the Stokes and anti-Stokes shifts, yielding a complete picture of the spin-conserving excitation of this defect.

Place, publisher, year, edition, pages
2009. Vol. 103, no 18, 186404- p.
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-51766DOI: 10.1103/PhysRevLett.103.186404OAI: diva2:277361
Available from: 2009-11-17 Created: 2009-11-17 Last updated: 2009-11-17

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Janzén, Erik
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