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Quantum computing for quantum tunneling

Abel, Steven and Chancellor, Nicholas and Spannowsky, Michael (2021) 'Quantum computing for quantum tunneling.', Physical review D., 103 (1). 016008.


We demonstrate how quantum field theory problems can be practically encoded by using a discretization of the field theory problem into a general Ising model, with the continuous field values being encoded into Ising spin chains. To illustrate the method, and as a simple proof of principle, we use a (hybrid) quantum annealer to recover the correct profile of the thin-wall tunnelling solution. This method is applicable to many nonperturbative problems.

Item Type:Article
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Publisher statement:Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.
Date accepted:18 December 2020
Date deposited:23 June 2021
Date of first online publication:11 January 2021
Date first made open access:23 June 2021

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