Simulations of field theories on noisy quantum computers must contend with
errors introduced by that noise. For gauge theories, a large class of errors
violate gauge symmetry, and thus may result in unphysical processes occurring
in the simulation. We present a method, applicable to non-Abelian gauge
theories, for suppressing coherent gauge drift errors through the repeated
application of pseudorandom gauge transformation. In cases where the dominant
errors are gauge-violating, we expect this method to be a practical way to
improve the accuracy of NISQ-era simulations.
Description
Suppressing Coherent Gauge Drift in Quantum Simulations
%0 Generic
%1 lamm2020suppressing
%A Lamm, Henry
%A Lawrence, Scott
%A Yamauchi, Yukari
%D 2020
%K quantumcomputing
%T Suppressing Coherent Gauge Drift in Quantum Simulations
%U http://arxiv.org/abs/2005.12688
%X Simulations of field theories on noisy quantum computers must contend with
errors introduced by that noise. For gauge theories, a large class of errors
violate gauge symmetry, and thus may result in unphysical processes occurring
in the simulation. We present a method, applicable to non-Abelian gauge
theories, for suppressing coherent gauge drift errors through the repeated
application of pseudorandom gauge transformation. In cases where the dominant
errors are gauge-violating, we expect this method to be a practical way to
improve the accuracy of NISQ-era simulations.
@misc{lamm2020suppressing,
abstract = {Simulations of field theories on noisy quantum computers must contend with
errors introduced by that noise. For gauge theories, a large class of errors
violate gauge symmetry, and thus may result in unphysical processes occurring
in the simulation. We present a method, applicable to non-Abelian gauge
theories, for suppressing coherent gauge drift errors through the repeated
application of pseudorandom gauge transformation. In cases where the dominant
errors are gauge-violating, we expect this method to be a practical way to
improve the accuracy of NISQ-era simulations.},
added-at = {2020-05-27T11:07:13.000+0200},
author = {Lamm, Henry and Lawrence, Scott and Yamauchi, Yukari},
biburl = {https://www.bibsonomy.org/bibtex/2bf76ef5bc25e50f1c2ad3ff1f7bf55a1/cmcneile},
description = {Suppressing Coherent Gauge Drift in Quantum Simulations},
interhash = {220ad979f1bd7fd216e9f621c4e4ab88},
intrahash = {bf76ef5bc25e50f1c2ad3ff1f7bf55a1},
keywords = {quantumcomputing},
note = {cite arxiv:2005.12688Comment: 5 pages, 1 figure},
timestamp = {2020-05-27T11:07:13.000+0200},
title = {Suppressing Coherent Gauge Drift in Quantum Simulations},
url = {http://arxiv.org/abs/2005.12688},
year = 2020
}