CMTC-JQI Seminar

Calendar
Department of Physics Calendar
Date
Wed, Jul 19, 2017 11:00 am - 12:00 pm
Location
CMTC conference room (2205 Toll Building)

Description

Speaker Name: Christina Knapp

Speaker Institution: Department of Physics, University of California, Santa Barbara, California 93106 USA

Title: Scalable Designs for Majorana-Based Quantum Computing

Abstract: Storing quantum information non-locally in the joint state of pairs of Majorana zero modes (MZMs) is a promising approach towards fault tolerant quantum computing. In this talk, I will discuss designs for scalable Majorana-based quantum computing architectures, presented in PRB 95 (2017) arXiv:1610.05289, that are both promising for large scale quantum computing and testable in near-term devices. I will first explain the topological protection and operation of these qubits in the limit of no charge noise and negligible MZM hybridization. I will then discuss the effects of charge noise in the context of a near-term device, the so-called "loop qubit." Finally, I will consider how finite MZM hybridization affects the coherence times of the topological qubit.

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