Online Seminar: Prof Tom Stace, University of Queensland

Building a bigger Hilbert space for superconducting devices, one Bloch state at a time

Green wavy lines to represent noise in quantum systmes

Image: Gerd Altmann / Pixabay

A new kind of Qubit

Speaker: Prof. Tom Stace, University of Queensland

Abstract:
Noise and errors have been the bottlenecks for building robust quantum machines.  I will describe a proposed new class of superconducting devices that has built-in error rejection.  Fundamentally, the encoding that facilitates this intrinsic robustness comes from the recognition that the Bloch band structure of these systems leads to a much bigger Hilbert spaces than has been traditionally considered.  The extra space affords new qubit encodings, which I describe in two different instantiations.

Host: A/Prof. Nathan Langford, Centre for Quantum Software and Information

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