Bulletin of the American Physical Society
53rd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 67, Number 7
Monday–Friday, May 30–June 3 2022; Orlando, Florida
Session Q07: New Frontiers for Quantum Computing with Trapped Ions
8:00 AM–10:00 AM,
Thursday, June 2, 2022
Room: Salon 5/6
Chair: Raghavendra Srinivas, University of Oxford
Abstract: Q07.00004 : Measurement of MaxCut QAOA solution quality with increasing $p$-depth*
8:36 AM–8:48 AM
Presenter:
Kevin D Battles
(Georgia Tech Research Institute)
Authors:
Kevin D Battles
(Georgia Tech Research Institute)
Bryan T Gard
(Georgia Tech Research Institute)
Creston D Herold
(Georgia Tech Research Institute)
Collaboration:
Kevin D. Battles
Our novel control scheme facilitates native implementation of fully connected, weighted MaxCut graphs.
We present results for $N=3,6,10$ vertex native graphs with QAOA layer number $p\le6$ and report increasing approximation ratio ($\left<C\right>/C_{Max}$) as a function of $p$-depth up to $p=4$ for a $N=10$ vertex graph. Our results employ state preparation and measurement (SPAM) error mitigation to correct for known measurement crosstalk and to increase the observed approximation ratio. We discuss prospects of additional error mitigation at increased $p$-depth.
*This material is based upon work supported by the Defense Advanced Research Projects Agency (DARPA) under Contract No. HR001120C0046.
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