Preskill, John (2018) Quantum Computing in the NISQ era and beyond. Quantum, 2 . Art. No. 79. ISSN 2521-327X. doi:10.22331/q-2018-08-06-79. https://resolver.caltech.edu/CaltechAUTHORS:20180521-094354257
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Abstract
Noisy Intermediate-Scale Quantum (NISQ) technology will be available in the near future. Quantum computers with 50-100 qubits may be able to perform tasks which surpass the capabilities of today's classical digital computers, but noise in quantum gates will limit the size of quantum circuits that can be executed reliably. NISQ devices will be useful tools for exploring many-body quantum physics, and may have other useful applications, but the 100-qubit quantum computer will not change the world right away - we should regard it as a significant step toward the more powerful quantum technologies of the future. Quantum technologists should continue to strive for more accurate quantum gates and, eventually, fully fault-tolerant quantum computing.
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| Additional Information: | © 2018. This Paper is published in Quantum under the Creative Commons Attribution 4.0 International (CC BY 4.0) license. Copyright remains with the original copyright holders such as the authors or their institutions. Published: 2018-08-06. This article is based on a Keynote Address delivered at Quantum Computing for Business on 5 December 2017. I thank Matt Johnson for organizing this stimulating meeting and inviting me to participate. My remarks here have been influenced by discussions with many colleagues, too many to list. But I’ve especially benefited from insights due to Scott Aaronson, Sergio Boixo, Fernando Brandão, Elizabeth Crosson, Toby Cubitt, Eddie Farhi, Steve Flammia, David Gosset, Daniel Gottesman, Stephen Jordan, Jordan Kerenidis, Isaac Kim, Seth Lloyd, Shaun Maguire, Oskar Painter, David Poulin, Peter Shor, Brian Swingle, Matthias Troyer, Umesh Vazirani, and Thomas Vidick. Some of this work was done while I attended the 2017 program on Quantum Physics of Information at the Kavli Institute for Theoretical Physics (KITP). I gratefully acknowledge support from ARO, DOE, IARPA, NSF, and the Simons Foundation. The Institute for Quantum Information and Matter (IQIM) is an NSF Physics Frontiers Center. | ||||||||||||||
| Group: | Institute for Quantum Information and Matter | ||||||||||||||
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| DOI: | 10.22331/q-2018-08-06-79 | ||||||||||||||
| Record Number: | CaltechAUTHORS:20180521-094354257 | ||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20180521-094354257 | ||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||
| ID Code: | 86492 | ||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||
| Deposited By: | Joy Painter | ||||||||||||||
| Deposited On: | 21 May 2018 17:31 | ||||||||||||||
| Last Modified: | 15 Nov 2021 20:39 |
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