Sensing distant nuclear spins with a single electron spin

Details Sensing distant nuclear spins with a single electron spin Sensing distant nuclear spins with a single electron spin

2012-04-24

arxiv.org/abs/1204.5483v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 figures, and supplement

Scientific paper

We experimentally demonstrate the use of a single electronic spin to measure the quantum dynamics of distant individual nuclear spins. Our technique exploits coherent control of the electron spin, allowing us to isolate and monitor nuclear spins weakly coupled to the electron spin. Specifically, we detect the evolution of distant individual 13C nuclear spins coupled to single nitrogen vacancy centers in a diamond lattice with hyperfine couplings down to a factor of 8 below the electronic spin bare dephasing rate. Potential applications to nanoscale magnetic resonance imaging and quantum information are discussed.

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