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Supplementary information for "Quantum supremacy using a programmable superconducting processor"

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arxiv 1910.11333 v2 pith:7OWB7TSJ submitted 2019-10-23 quant-ph

Frank Arute , Kunal Arya , Ryan Babbush , Dave Bacon , Joseph C. Bardin , Rami Barends , Rupak Biswas , Sergio Boixo
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Fernando G.S.L. Brandao David A. Buell Brian Burkett Yu Chen Zijun Chen Ben Chiaro Roberto Collins William Courtney Andrew Dunsworth Edward Farhi Brooks Foxen Austin Fowler Craig Gidney Marissa Giustina Rob Graff Keith Guerin Steve Habegger Matthew P. Harrigan Michael J. Hartmann Alan Ho Markus R. Hoffmann Trent Huang Travis S. Humble Sergei V. Isakov Evan Jeffrey Zhang Jiang Dvir Kafri Kostyantyn Kechedzhi Julian Kelly Paul V. Klimov Sergey Knysh Alexander N. Korotkov Fedor Kostritsa David Landhuis Mike Lindmark Erik Lucero Dmitry Lyakh Salvatore Mandra Jarrod R. McClean Matt McEwen Anthony Megrant Xiao Mi Kristel Michielsen Masoud Mohseni Josh Mutus Ofer Naaman Matthew Neeley Charles Neill Murphy Yuezhen Niu Eric Ostby Andre Petukhov John C. Platt Chris Quintana Eleanor G. Rieffel Pedram Roushan Nicholas C. Rubin Daniel Sank Kevin J. Satzinger Vadim Smelyanskiy Kevin J. Sung Matthew D. Trevithick Amit Vainsencher Benjamin Villalonga Theodore White Z. Jamie Yao Ping Yeh Adam Zalcman Hartmut Neven John M. Martinis
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This is an updated version of supplementary information to accompany "Quantum supremacy using a programmable superconducting processor", an article published in the October 24, 2019 issue of Nature. The main article is freely available at https://www.nature.com/articles/s41586-019-1666-5. Summary of changes since arXiv:1910.11333v1 (submitted 23 Oct 2019): added URL for qFlex source code; added Erratum section; added Figure S41 comparing statistical and total uncertainty for log and linear XEB; new References [1,65]; miscellaneous updates for clarity and style consistency; miscellaneous typographical and formatting corrections.

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Cited by 2 Pith papers

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    A hybrid quantum-classical classifier on simulated HH→bbγγ events claims 95% CL limits of 1.9–2.1×SM, but the gain over XGBoost is 21–29%, not the advertised factor of two.

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