Physics

Long-time simulations for fixed input states on quantum hardware

J. Gibbs, K. Gil, et al.

This groundbreaking research by Joe Gibbs, Kaitlin Gil, Zoë Holmes, and others demonstrates high-fidelity quantum simulations on Rigetti and IBM quantum computers, utilizing the innovative fixed state Variational Fast Forwarding algorithm to achieve remarkable fidelity. Explore the future of quantum computing with their insights!

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Abstract

This paper demonstrates long-time, high-fidelity quantum simulations on current hardware by simulating an XY-model spin chain on Rigetti and IBM quantum computers. The simulations utilize a new algorithm called fixed state Variational Fast Forwarding (fsVFF), which significantly reduces resource requirements compared to existing methods like the iterated Trotter method, achieving fidelity over 0.9 for 150 times longer.

Publisher

npj Quantum Information

Published On

Nov 19, 2022

Authors

Joe Gibbs, Kaitlin Gil, Zoë Holmes, Benjamin Commeau, Andrew Arrasmith, Lukasz Cincio, Patrick J. Coles, Andrew Sornborger

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