PHYSICS Correction to Supporting Information for “Quantum approximate optimization of the long-range Ising model with a trapped-ion quantum simulator,” by Guido Pagano, Aniruddha Bapat, Patrick Becker, Katherine S. Collins, Arinjoy De, Paul W. Hess, Harvey B. Kaplan, Antonis Kyprianidis, Wen Lin Tan, Christopher Baldwin, Lucas T. Brady, Abhinav Deshpande, Fangli Liu, Stephen Jordan, Alexey V. Gorshkov, and Christopher Monroe, which was first published October 6, 2020; 10.1073/pnas.2006373117 (Proc. Natl. Acad. Sci. U.S.A. 117, 25396–25401).
The authors note that, in the SI Appendix, page 7, second full paragraph, line 1, the callout to ref. 1 within “In this section we expand upon previous work (1)” should instead be a callout to ref. 5. The SI Appendix has been corrected online.