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Hannover 2010 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 32: Quantum Information: Atoms and Ions II

Q 32.4: Vortrag

Mittwoch, 10. März 2010, 14:45–15:00, E 214

Quantum non-demolition measurement of a single nuclear spin — •Johannes Beck1, Philipp Neumann1, Matthias Steiner1, Florian Rempp1, Helmut Rathgen1, Philip Hemmer2, Nawid Zarrabi1, Fedor Jelezko1, and Jörg Wrachtrup113. Physikalisches Institut, Universität Stuttgart, Germany — 2Department of Electrical and Computer Engineering, Texas A&M University, USA

Rapidly growing quantum technologies exploit the fundamental aspects of measurement in quantum mechanics. Here we experimentally demonstrate non-demolition projective measurement of a single nuclear spin associated with a nitrogen-vacancy (NV) center in diamond under ambient conditions. This enables the detection of quantum jumps and the quantum Zeno effect and will push spin-based measurement precision beyond the standard quantum limit.

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