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MA: Fachverband Magnetismus

MA 19: Poster I

MA 19.17: Poster

Dienstag, 1. April 2014, 13:00–15:30, P1

A large-scale quantum simulator on a diamond surface at room temperatureJianming Cai1,2, •Thomas Unden4,2, Florian Fetzer4,2, Boris Naydenov4,2, Liam McGuinness4,2, Alex Retzker3,1, Martin B. Plenio4,2, and Fedor Jelezko11Institut für Theoretische Physik, Albert-Einstein Allee 11, Universität Ulm, 89069 Ulm, Germany — 2Center for Integrated Quantum Science and Technology, Universität Ulm, 89069 Ulm, Germany — 3Racah Institute of Physics, The Hebrew University of Jerusalem, Jerusalem 91904, Givat Ram, Israel — 4Institut für Quantenoptik, Albert-Einstein Allee 11, Universität Ulm, 89069 Ulm, Germany

Strongly correlated quantum many-body systems may exhibit exotic phases, such as spin liquids and supersolids. Although their numerical simulation becomes intractable for as few as 50 particles, quantum simulators offer a route to overcome this computational barrier. However, proposed realizations either require stringent conditions such as low temperature/ultra-high vacuum, or are extremely hard to scale. Here, we propose a new solid-state architecture for a scalable quantum Simulator that consists of strongly interacting nuclear spins attached to the diamond surface. Initialization, control and read-out of this quantum simulator can be accomplished with nitrogen-vacancy centers implanted in diamond. The system can be engineered to simulate a wide variety of strongly correlated spin models. Owing to the superior coherence time of nuclear spins and nitrogen-vacancy centers in diamond, our proposal offers new opportunities towards large-scale quantum simulation at ambient conditions.

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DPG-Physik > DPG-Verhandlungen > 2014 > Dresden