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Regensburg 2022 – scientific programme

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QI: Fachverband Quanteninformation

QI 5: Implementations: Solid state systems

QI 5.1: Invited Talk

Tuesday, September 6, 2022, 09:30–10:00, H8

Towards universal quantum computation and simulation with NV centre in diamond — •Vadim Vorobyov — 3rd Physical Institute, University of Stuttgart

NV centre in diamond is a mature platform for quantum technologies having applications ranging from quantum sensing to quantum communication and quantum information processing. Numerous implementation of NV centres in coupe with relative simplicity of the experiment enabled implementation of the NV magnetometry within complementary analysis methods such as X ray spectrometers and high pressure diamond anvil cells scanning probe experiments enabled discovery of 2D antiferromagnetic domain walls and single layer magnetism in layered magnetic materials proving its firm niche among nanoscale quantum sensors.

For quantum information processing a well addressable, readable interacting qubits are essential. NV centre - as optically readable single electron spin forms an interface to nearby nuclear spin baths, allowing to realize a star shape central spin model. In this work we discuss the computational potential of such system and compare it to planar architecture adapted by superconducting qubit systems.

We perform a randomised benchmarking of a room temperature operational system and benchmark important building blocks for quantum information processing: QFT and Toffoli gates on a qubits and discuss their possible applications in quantum sensing.

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