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Thursday, October 10, 2013
12:30 PM - 1:30 PM
Theoretical Division Conference Room, TA-3, Building 123, Room 121

Quantum Lunch

CANCELED: Proposal for coherent coupling of Majorana zero modes and fluxonium qubits using the 4 π-Josephson effect

Chang-Yu Hou
California Institute of Technology

*** This talk has been canceled. It will be rescheduled for a later date.***

We propose to use an ancilla fluxonium qubit to interact with a Majorana qubit hosted by a topological 1D wire. The coupling is obtained using the Majorana qubit controlled 4 π Josephson effect to flux bias the fluxonium qubit. We demonstrate how this coupling can be used to sensitively identify the topological superconductivity, to measure the state of the Majorana qubit, to construct 2-qubit operations, and to implement quantum memories with the topological protection.

Host: Armin Rahmani