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Conference Paper/Proceeding/Abstract 1151 views

Asymptotic scaling and Monte Carlo data

A. Trivini, Chris Allton Orcid Logo

Volume: "LAT2005", Start page: 036

Swansea University Author: Chris Allton Orcid Logo

Abstract

It is a generally known problem that the behaviour predicted from perturbation theory for asymptotically free theories like QCD, i.e. asymptotic scaling, has not been observed in Monte Carlo simulations when the series is expressed in terms of the bare coupling g_0. This discrepancy has been explain...

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Published: 2005
Online Access: http://inspirehep.net/record/696758
URI: https://cronfa.swan.ac.uk/Record/cronfa28489
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spelling 2016-08-08T11:54:47.6125018 v2 28489 2016-06-02 Asymptotic scaling and Monte Carlo data de706a260fa1e1e47430693e135f41c7 0000-0003-0795-124X Chris Allton Chris Allton true false 2016-06-02 SPH It is a generally known problem that the behaviour predicted from perturbation theory for asymptotically free theories like QCD, i.e. asymptotic scaling, has not been observed in Monte Carlo simulations when the series is expressed in terms of the bare coupling g_0. This discrepancy has been explained in the past with the poor convergence properties of the perturbative series in the g_0. An alternative point of view, called Lattice-Distorted Perturbation Theory proposes that lattice artifacts due to the finiteness of the lattice spacing, a, cause the disagreement between Monte Carlo data and perturbative scaling. Following this alternative scenario, we fit recent quenched data from different observables to fitting functions that include these cut-off effects, confirming that the lattice data are well reproduced by g_0-PT with the simple addition of terms O(a^n). Conference Paper/Proceeding/Abstract "LAT2005" 036 31 12 2005 2005-12-31 http://inspirehep.net/record/696758 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2016-08-08T11:54:47.6125018 2016-06-02T15:06:52.7047633 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics A. Trivini 1 Chris Allton 0000-0003-0795-124X 2
title Asymptotic scaling and Monte Carlo data
spellingShingle Asymptotic scaling and Monte Carlo data
Chris Allton
title_short Asymptotic scaling and Monte Carlo data
title_full Asymptotic scaling and Monte Carlo data
title_fullStr Asymptotic scaling and Monte Carlo data
title_full_unstemmed Asymptotic scaling and Monte Carlo data
title_sort Asymptotic scaling and Monte Carlo data
author_id_str_mv de706a260fa1e1e47430693e135f41c7
author_id_fullname_str_mv de706a260fa1e1e47430693e135f41c7_***_Chris Allton
author Chris Allton
author2 A. Trivini
Chris Allton
format Conference Paper/Proceeding/Abstract
container_volume "LAT2005"
container_start_page 036
publishDate 2005
institution Swansea University
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
url http://inspirehep.net/record/696758
document_store_str 0
active_str 0
description It is a generally known problem that the behaviour predicted from perturbation theory for asymptotically free theories like QCD, i.e. asymptotic scaling, has not been observed in Monte Carlo simulations when the series is expressed in terms of the bare coupling g_0. This discrepancy has been explained in the past with the poor convergence properties of the perturbative series in the g_0. An alternative point of view, called Lattice-Distorted Perturbation Theory proposes that lattice artifacts due to the finiteness of the lattice spacing, a, cause the disagreement between Monte Carlo data and perturbative scaling. Following this alternative scenario, we fit recent quenched data from different observables to fitting functions that include these cut-off effects, confirming that the lattice data are well reproduced by g_0-PT with the simple addition of terms O(a^n).
published_date 2005-12-31T03:34:40Z
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score 11.037253

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