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Charged hadrons in local finite-volume QED+QCD with C⋆ boundary conditions

B. Lucini, A. Patella, A. Ramos, N. Tantalo, Biagio Lucini Orcid Logo

Journal of High Energy Physics, Volume: 2016, Issue: 2

Swansea University Author: Biagio Lucini Orcid Logo

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DOI (Published version): 10.1007/jhep02(2016)076

Abstract

In order to calculate QED corrections to hadronic physical quantities by means of lattice simulations, a coherent description of electrically-charged states in finite volume is needed. In the usual periodic setup, Gauss's law and large gauge transformations forbid the propagation of electricall...

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Published in: Journal of High Energy Physics
ISSN: 1029-8479
Published: Springer Science and Business Media LLC 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa26219
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first_indexed 2016-02-22T12:59:07Z
last_indexed 2018-10-08T14:05:07Z
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spelling 2018-10-08T12:14:09.2267534 v2 26219 2016-02-16 Charged hadrons in local finite-volume QED+QCD with C⋆ boundary conditions 7e6fcfe060e07a351090e2a8aba363cf 0000-0001-8974-8266 Biagio Lucini Biagio Lucini true false 2016-02-16 SMA In order to calculate QED corrections to hadronic physical quantities by means of lattice simulations, a coherent description of electrically-charged states in finite volume is needed. In the usual periodic setup, Gauss's law and large gauge transformations forbid the propagation of electrically-charged states. A possible solution to this problem, which does not violate the axioms of local quantum field theory, has been proposed by Wiese and Polley, and is based on the use of C* boundary conditions. We present a thorough analysis of the properties and symmetries of QED in isolation and QED coupled to QCD, with C* boundary conditions. In particular we learn that a certain class of electrically-charged states can be constructed in this setup in a fully consistent fashion, without relying on gauge fixing. We argue that this class of states covers most of the interesting phenomenological applications in the framework of numerical simulations. We also calculate finite-volume corrections to the mass of stable charged particles and show that these are much smaller than in non-local formulations of QED. Journal Article Journal of High Energy Physics 2016 2 Springer Science and Business Media LLC 1029-8479 Gauge Symmetry Nonperturbative Effects Discrete and Finite Symmetries Lattice Quantum Field Theory 11 2 2016 2016-02-11 10.1007/jhep02(2016)076 http://dx.doi.org/10.1007/jhep02(2016)076 COLLEGE NANME Mathematics COLLEGE CODE SMA Swansea University SCOAP3 2018-10-08T12:14:09.2267534 2016-02-16T11:30:27.1216787 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics B. Lucini 1 A. Patella 2 A. Ramos 3 N. Tantalo 4 Biagio Lucini 0000-0001-8974-8266 5 0026219-16022016113231.pdf cqedstar.pdf 2016-02-16T11:32:31.6730000 Output 843337 application/pdf Version of Record true 2016-02-16T00:00:00.0000000 Released under the terms of a Creative Commons Attribution 4.0 International License (CC-BY). true
title Charged hadrons in local finite-volume QED+QCD with C⋆ boundary conditions
spellingShingle Charged hadrons in local finite-volume QED+QCD with C⋆ boundary conditions
Biagio Lucini
title_short Charged hadrons in local finite-volume QED+QCD with C⋆ boundary conditions
title_full Charged hadrons in local finite-volume QED+QCD with C⋆ boundary conditions
title_fullStr Charged hadrons in local finite-volume QED+QCD with C⋆ boundary conditions
title_full_unstemmed Charged hadrons in local finite-volume QED+QCD with C⋆ boundary conditions
title_sort Charged hadrons in local finite-volume QED+QCD with C⋆ boundary conditions
author_id_str_mv 7e6fcfe060e07a351090e2a8aba363cf
author_id_fullname_str_mv 7e6fcfe060e07a351090e2a8aba363cf_***_Biagio Lucini
author Biagio Lucini
author2 B. Lucini
A. Patella
A. Ramos
N. Tantalo
Biagio Lucini
format Journal article
container_title Journal of High Energy Physics
container_volume 2016
container_issue 2
publishDate 2016
institution Swansea University
issn 1029-8479
doi_str_mv 10.1007/jhep02(2016)076
publisher Springer Science and Business Media LLC
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://dx.doi.org/10.1007/jhep02(2016)076
document_store_str 1
active_str 0
description In order to calculate QED corrections to hadronic physical quantities by means of lattice simulations, a coherent description of electrically-charged states in finite volume is needed. In the usual periodic setup, Gauss's law and large gauge transformations forbid the propagation of electrically-charged states. A possible solution to this problem, which does not violate the axioms of local quantum field theory, has been proposed by Wiese and Polley, and is based on the use of C* boundary conditions. We present a thorough analysis of the properties and symmetries of QED in isolation and QED coupled to QCD, with C* boundary conditions. In particular we learn that a certain class of electrically-charged states can be constructed in this setup in a fully consistent fashion, without relying on gauge fixing. We argue that this class of states covers most of the interesting phenomenological applications in the framework of numerical simulations. We also calculate finite-volume corrections to the mass of stable charged particles and show that these are much smaller than in non-local formulations of QED.
published_date 2016-02-11T03:31:21Z
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score 11.013619

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