Hamburg 2009 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 60: Quanteneffekte: Dekohärenz
Q 60.8: Vortrag
Freitag, 6. März 2009, 12:15–12:30, VMP 6 HS-D
Decoherence of the electron spin of NV-centers in Diamond — •Florian Rempp1, Norikazu Mizuochi2, Phillipp Neumann1, Johannes Beck1, Vincent Jacques1, Petr Siyushev1, K. Nakamura3, D. Twichen4, H. Watanabe5, S. Yamasaki6, Fedor Jelezko1, and Jörg Wrachtrup1 — 1Universität Stuttgart, germany — 2University of Tsukuba, Japan — 3Tokyo Gas Co., Tokyo, Japan — 4Element Six Ltd., Ascot, UK — 5AIST, Tsukuba, Japan — 6AIST, Tsukuba, Japan
Nitrogen-vacancy color centers (NV-center) in diamond with proximal 13C nuclear spins are one of the promising candidates for solid state quantum computers.
One of the main assets of the NV-center is the optical accessibility of single spins while showing exceptional long T1 and T2 times due to low residual spin density and the fact, that nearly no phonons are exited at room temperature.
We measured the T2* for various NV-centers at different concentrations of 13C and found good agreement with a pure dipole-dipole-interaction Model.