Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session F38: Quantum Annealing and Optimization I
8:00 AM–10:48 AM,
Tuesday, March 15, 2022
Room: McCormick Place W-195
Sponsoring
Unit:
DQI
Chair: Davide Venturelli, NASA
Abstract: F38.00012 : Diversity measure for discrete optimization: Sampling rare solutions via algorithmic quantum annealing*
10:36 AM–10:48 AM
Presenter:
Marek M Rams
(Jagiellonian University)
Authors:
Marek M Rams
(Jagiellonian University)
Masoud Mohseni
(Google LLC)
Sergei V Isakov
(Google LLC)
Daniel K Eppens
(Google LLC)
Susanne Pielawa
(Google LLC)
Johan Strumpfer
(Google LLC)
Sergio Boixo
(Google LLC)
Hartmut Neven
(Google LLC)
To test this metric, we compare the sampling power of various quantum annealing strategies, as applied to random frustrated 2D spin systems with local fields. Using Path-Integral Monte Carlo simulations, we show that the inhomogeneous quantum annealing schedules can redistribute and suppress the emergence of topological defects by controlling space-time separated critical fronts, leading to an advantage over standard quantum annealing schedules for finding rare solutions; quantified by Time-To-Diversity.
*M.M.R. acknowledges support by National Science Center, Poland, under project 2020/38/E/ST3/00150, as well as receiving Google Faculty Research Award 2017 and 2018.
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