Unstructured randomness, small gaps and localization

published in arxiv only per Mat Willmott.

Bibliographic Details
Main Authors: Farhi, Edward, Goldstone, Jeffrey, Gosset, David Nicholas, Gutmann, Sam, Shor, Peter W.
Other Authors: Massachusetts Institute of Technology. Center for Theoretical Physics
Format: Article
Language:en_US
Published: Cornell University Library 2011
Online Access:http://hdl.handle.net/1721.1/64703
https://orcid.org/0000-0002-7309-8489
https://orcid.org/0000-0003-4626-5648
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author Farhi, Edward
Goldstone, Jeffrey
Gosset, David Nicholas
Gutmann, Sam
Shor, Peter W.
author2 Massachusetts Institute of Technology. Center for Theoretical Physics
author_facet Massachusetts Institute of Technology. Center for Theoretical Physics
Farhi, Edward
Goldstone, Jeffrey
Gosset, David Nicholas
Gutmann, Sam
Shor, Peter W.
author_sort Farhi, Edward
collection MIT
description published in arxiv only per Mat Willmott.
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institution Massachusetts Institute of Technology
language en_US
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spelling mit-1721.1/647032022-09-28T09:57:01Z Unstructured randomness, small gaps and localization Farhi, Edward Goldstone, Jeffrey Gosset, David Nicholas Gutmann, Sam Shor, Peter W. Massachusetts Institute of Technology. Center for Theoretical Physics Massachusetts Institute of Technology. Department of Mathematics Massachusetts Institute of Technology. Department of Physics Farhi, Edward Farhi, Edward Goldstone, Jeffrey Gosset, David Nicholas Shor, Peter W. published in arxiv only per Mat Willmott. We study the Hamiltonian associated with the quantum adiabatic algorithm with a random cost function. Because the cost function lacks structure we can prove results about the ground state. We find the ground state energy as the number of bits goes to infinity, show that the minimum gap goes to zero exponentially quickly, and we see a localization transition. We prove that there are no levels approaching the ground state near the end of the evolution. We do not know which features of this model are shared by a quantum adiabatic algorithm applied to random instances of satisfiability since despite being random they do have bit structure. W. M. Keck Foundation Center for Extreme Quantum Information Theory United States. Army Research Laboratory (ARO grant number W911NF-09-1-0438) National Science Foundation (U.S.) (grant number CCF-0829421) Natural Sciences and Engineering Research Council of Canada 2011-06-29T15:32:10Z 2011-06-29T15:32:10Z 2010-09 Article http://purl.org/eprint/type/JournalArticle arXiv:1010.0009v1 [quant-ph] MIT-CTP/4181 http://hdl.handle.net/1721.1/64703 Farhi, Edward et al. "Unstructured Randomness, Small Gaps and Localization." 30 Sep 2010, arXiv.org, Cornell University Library. https://orcid.org/0000-0002-7309-8489 https://orcid.org/0000-0003-4626-5648 en_US http://arxiv.org/abs/1010.0009 arXiv.org Creative Commons Attribution-Noncommercial-Share Alike 3.0 http://creativecommons.org/licenses/by-nc-sa/3.0/ application/pdf Cornell University Library Prof. Farhi via Mat Willmott
spellingShingle Farhi, Edward
Goldstone, Jeffrey
Gosset, David Nicholas
Gutmann, Sam
Shor, Peter W.
Unstructured randomness, small gaps and localization
title Unstructured randomness, small gaps and localization
title_full Unstructured randomness, small gaps and localization
title_fullStr Unstructured randomness, small gaps and localization
title_full_unstemmed Unstructured randomness, small gaps and localization
title_short Unstructured randomness, small gaps and localization
title_sort unstructured randomness small gaps and localization
url http://hdl.handle.net/1721.1/64703
https://orcid.org/0000-0002-7309-8489
https://orcid.org/0000-0003-4626-5648
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AT goldstonejeffrey unstructuredrandomnesssmallgapsandlocalization
AT gossetdavidnicholas unstructuredrandomnesssmallgapsandlocalization
AT gutmannsam unstructuredrandomnesssmallgapsandlocalization
AT shorpeterw unstructuredrandomnesssmallgapsandlocalization