Interface Between Topological and Superconducting Qubits

Details Interface Between Topological and Superconducting Qubits Interface Between Topological and Superconducting Qubits

2010-10-28

arxiv.org/abs/1010.5862v2

Phys. Rev. Lett. 106, 130504 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

12 pages, 7 figures. V2: Final version as published in Phys. Rev. Lett, with detailed clarifications in the Appendix

Scientific paper

10.1103/PhysRevLett.106.130504

We propose and analyze an interface between a topological qubit and a superconducting flux qubit. In our scheme, the interaction between Majorana fermions in a topological insulator is coherently controlled by a superconducting phase that depends on the quantum state of the flux qubit. A controlled phase gate, achieved by pulsing this interaction on and off, can transfer quantum information between the topological qubit and the superconducting qubit.

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