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Regensburg 2013 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 61: Focused Session: Majorana fermions in condensed matter (TT, jointly with HL, MA, O)

HL 61.6: Vortrag

Mittwoch, 13. März 2013, 17:45–18:00, H20

Majorana qubit rotations in microwave cavities — •Thomas L. Schmidt, Andreas Nunnenkamp, and Christoph Bruder — Department of Physics, University of Basel, CH-4056 Basel, Switzerland

Majorana bound states have been proposed as building blocks for qubits on which certain operations can be performed in a topologically protected way using braiding. However, the set of these protected operations is not sufficient to realize universal quantum computing. We show that the electric field in a microwave cavity can induce Rabi oscillations between adjacent Majorana bound states. These oscillations can be used to implement an additional single-qubit gate. Supplemented with one braiding operation, this gate allows to perform arbitrary single-qubit operations.

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