[quantum-info] *TIME CHANGE* Special PIQuDos today 4:30PM Time room

[Isaac Kim]

Starting now.

On Thu, Oct 29, 2015 at 4:00 PM, Isaac Kim <ikim at perimeterinstitute.ca>
wrote:

> Reminder: In 30 minutes in Time room.
> On Thu, Oct 29, 2015 at 9:13 AM, Isaac Kim <ikim at perimeterinstitute.ca>
> wrote:
>> Please join us for today’s PIQuDos seminar at 4:30PM in the Time room by Benjamin Brown(Niels Bohr Institute).
>> Title: Fault-tolerant error correction with the gauge color code
>> The gauge color code is a quantum error-correcting code with local syndrome measurements that, remarkably, admits a universal transversal gate set without the need for resource-intensive magic state distillation. A result of recent interest, proposed by Bombin, shows that the subsystem structure of the gauge color code admits an error-correction protocol that achieves tolerance to noisy measurements without the need for repeated measurements, so called single-shot error correction. Here, we demonstrate the promise of single-shot error correction by designing a two-part decoder and investigate its performance. We simulate fault-tolerant error correction with the gauge color code by repeatedly applying our proposed error-correction protocol to deal with errors that occur continuously to the underlying physical qubits of the code over the duration that quantum information is stored. We estimate a sustainable error rate, i.e. the threshold for the long time limit, of ~0.31% for a phenomenological noise model using a simple decoding algorithm.
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