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Berlin 2018 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 50: HL Poster IV

HL 50.26: Poster

Thursday, March 15, 2018, 19:00–21:00, Poster B

Measuring Quantum Spin Networks with NV Centers in Diamond — •Domenico Paone1,2, Dinesh Pinto1,2, Lukas Schlipf1, Bastian Kern1, Amit Finkler3, Jörg Wrachtrup1,2, and Klaus Kern1,41Max Planck Institute for Solid State Research, 70569 Stuttgart, Germany — 23rd Institute of Physics and Research Center SCoPE, University Stuttgart, 70569 Stuttgart, Germany — 3Department of Chemical and Biological Physics, Weizmann Institute of Science, Rehovot, Israel — 4Institut de Physique, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland

The coherent control and communication between distant qubits is essential for quantum information processing. A sensor scheme based on an atomic sized quantum sensor, the nitrogen vacancy (NV) center in diamond, pushes the sensitivity to the local read out of single spins. Due to its access to various transitions in the optical and microwave frequency domain the coupling between single NV centers and electron spin networks can be observed in a reliable way [1]. Here, we present electron spin resonance studies on doubly spin labeled polypeptides and endohedral N@C60 controlled by shallow NV centers. For this, we employ an UHV cryo-microscopy setup [2]. By locally coupling our atomic-sized sensor to interacting spins we are able to investigate transfer mechanisms through spin networks.

[1] L. Schlipf et al., Sci. Adv. 2017; 3, e1701116 (2017)

[2] E. Schaefer-Nolte et al., Rev. Sci. Inst. 85, 013701 (2014)

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