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Experimental Signature of Phonon-Mediated Spin Relaxation in a Two-Electron Quantum Dot

Meunier, T. and Vink, I. T and Beveren, L. H. Willems van and Tielrooij, K.-J. and Koppens, F. H. L. and Tranitz, Hans-Peter and Wegscheider, Werner and Kouwenhoven, Leo P. and Vandersypen, L. M. K. (2007) Experimental Signature of Phonon-Mediated Spin Relaxation in a Two-Electron Quantum Dot. Physical Review Letters 98 (12), p. 126601.

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Abstract

We observe an experimental signature of the role of phonons in spin relaxation between triplet and singlet states in a two-electron quantum dot. Using both the external magnetic field and the electrostatic confinement potential, we change the singlet-triplet energy splitting from 1.3 meV to zero and observe that the spin relaxation time depends nonmonotonously on the energy splitting. A simple ...

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Item Type:Article
Date:23 March 2007
Institutions:Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider
Identification Number:
ValueType
10.1103/PhysRevLett.98.126601DOI
Related URLs:
URLURL Type
http://link.aps.org/doi/10.1103/PhysRevLett.98.126601Publisher
Classification:
NotationType
72.25.Rb, 63.20.−e, 71.70.Ej, 73.21.La PACS
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner: Martin Kaiser
Deposited On:25 Jan 2010 13:38
Last Modified:13 Mar 2014 12:37
Item ID:12298
Owner Only: item control page
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