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Simulating quantum field theory with a quantum computer

Preskill, John (2018) Simulating quantum field theory with a quantum computer. In: 36th Annual International Symposium on Lattice Field Theory. Proceedings of Science. .

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Forthcoming exascale digital computers will further advance our knowledge of quantum chromodynamics, but formidable challenges will remain. In particular, Euclidean Monte Carlo methods are not well suited for studying real-time evolution in hadronic collisions, or the properties of hadronic matter at nonzero temperature and chemical potential. Digital computers may never be able to achieve accurate simulations of such phenomena in QCD and other strongly-coupled field theories; quantum computers will do so eventually, though I'm not sure when. Progress toward quantum simulation of quantum field theory will require the collaborative efforts of quantumists and field theorists, and though the physics payoff may still be far away, it's worthwhile to get started now. Today's research can hasten the arrival of a new era in which quantum simulation fuels rapid progress in fundamental physics.

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Additional Information:© owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0). My remarks here have been influenced by many colleagues, most of all my collaborators Stephen Jordan, Hari Kvoi, and Keith Lee. I’m also grateful for illuminating discussions with (among others) Alex Buser, David Kaplan, Alexei Kitaev, Natalie Klco, Junyu Liu, Benni Reznik, Burak Şahinoğlu, Martin Savage, Frank Verstraete, and Erez Zohar. My work is supported by ARO, DOE, IARPA, NSF, and the Simons Foundation. The Institute for Quantum Information and Matter (IQIM) is an NSF Physics Frontiers Center.
Group:UNSPECIFIED, Institute for Quantum Information and Matter, Walter Burke Institute for Theoretical Physics
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Army Research Office (ARO)UNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
Intelligence Advanced Research Projects Activity (IARPA)UNSPECIFIED
Simons FoundationUNSPECIFIED
Institute for Quantum Information and Matter (IQIM)UNSPECIFIED
Series Name:Proceedings of Science
Record Number:CaltechAUTHORS:20190122-113145453
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:92397
Deposited By: Tony Diaz
Deposited On:22 Jan 2019 20:04
Last Modified:04 Jun 2020 10:14

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