Energy levels and decoherence properties of single electron and nuclear spins in a defect center in diamond

Details Energy levels and decoherence properties of single electron and nuclear spins in a defect center in diamond Energy levels and decoherence properties of single electron and nuclear spins in a defect center in diamond

2004-09-12

arxiv.org/abs/quant-ph/0409067v1

Phys. Rev. B 70 (20): Art. No. 201203 (2004)

Physics

Quantum Physics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevB.70.201203

The coherent behavior of the single electron and single nuclear spins of a defect center in diamond and a 13C nucleus in its vicinity, respectively, are investigated. The energy levels associated with the hyperfine coupling of the electron spin of the defect center to the 13C nuclear spin are analyzed. Methods of magnetic resonance together with optical readout of single defect centers have been applied in order to observe the coherent dynamics of the electron and nuclear spins. Long coherence times, in the order of microseconds for electron spins and tens of microseconds for nuclear spins, recommend the studied system as a good experimental approach for implementing a 2-qubit gate.

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