Journal article 1041 views
The spectrum of multi-flavor QCD2 and the non-abelian Schwinger equation
Nuclear Physics B, Volume: "B537", Issue: 1-3, Pages: 503 - 515
Swansea University Author: Adi Armoni
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DOI (Published version): 10.1016/S0550-3213(98)00664-6
Abstract
Massless $QCD_2$ is dominated by classical configurations in the large $N_f$ limit. We use this observation to study the theory by finding solutions to equations of motion, which are the non-Abelian generalization of the Schwinger equation. We find that the spectrum consists of massive mesons with $...
Published in: | Nuclear Physics B |
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ISSN: | 05503213 |
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1998
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URI: | https://cronfa.swan.ac.uk/Record/cronfa28689 |
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2016-06-04T06:08:42.7041849 v2 28689 2016-06-04 The spectrum of multi-flavor QCD2 and the non-abelian Schwinger equation 3f75faad0563a2d3b191191a2efee956 0000-0002-8105-0645 Adi Armoni Adi Armoni true false 2016-06-04 SPH Massless $QCD_2$ is dominated by classical configurations in the large $N_f$ limit. We use this observation to study the theory by finding solutions to equations of motion, which are the non-Abelian generalization of the Schwinger equation. We find that the spectrum consists of massive mesons with $M^2={e^2 N_f\over 2\pi}$ which correspond to Abelian solutions. We generalize previously discovered non-Abelian solutions and discuss their interpretation. We prove a no-go theorem ruling out the existence of soliton solutions. Thus the semi-classical approximation shows no baryons in the case of massless quarks, a result derived before in the strong-coupling limit Journal Article Nuclear Physics B "B537" 1-3 503 515 05503213 31 5 1998 1998-05-31 10.1016/S0550-3213(98)00664-6 http://inspirehep.net/record/470902 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2016-06-04T06:08:42.7041849 2016-06-04T06:08:42.4545833 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics J. Sonnenschein 1 U. Trittmann 2 Y. Frishman 3 Adi Armoni 0000-0002-8105-0645 4 |
title |
The spectrum of multi-flavor QCD2 and the non-abelian Schwinger equation |
spellingShingle |
The spectrum of multi-flavor QCD2 and the non-abelian Schwinger equation Adi Armoni |
title_short |
The spectrum of multi-flavor QCD2 and the non-abelian Schwinger equation |
title_full |
The spectrum of multi-flavor QCD2 and the non-abelian Schwinger equation |
title_fullStr |
The spectrum of multi-flavor QCD2 and the non-abelian Schwinger equation |
title_full_unstemmed |
The spectrum of multi-flavor QCD2 and the non-abelian Schwinger equation |
title_sort |
The spectrum of multi-flavor QCD2 and the non-abelian Schwinger equation |
author_id_str_mv |
3f75faad0563a2d3b191191a2efee956 |
author_id_fullname_str_mv |
3f75faad0563a2d3b191191a2efee956_***_Adi Armoni |
author |
Adi Armoni |
author2 |
J. Sonnenschein U. Trittmann Y. Frishman Adi Armoni |
format |
Journal article |
container_title |
Nuclear Physics B |
container_volume |
"B537" |
container_issue |
1-3 |
container_start_page |
503 |
publishDate |
1998 |
institution |
Swansea University |
issn |
05503213 |
doi_str_mv |
10.1016/S0550-3213(98)00664-6 |
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/470902 |
document_store_str |
0 |
active_str |
0 |
description |
Massless $QCD_2$ is dominated by classical configurations in the large $N_f$ limit. We use this observation to study the theory by finding solutions to equations of motion, which are the non-Abelian generalization of the Schwinger equation. We find that the spectrum consists of massive mesons with $M^2={e^2 N_f\over 2\pi}$ which correspond to Abelian solutions. We generalize previously discovered non-Abelian solutions and discuss their interpretation. We prove a no-go theorem ruling out the existence of soliton solutions. Thus the semi-classical approximation shows no baryons in the case of massless quarks, a result derived before in the strong-coupling limit |
published_date |
1998-05-31T03:34:58Z |
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1763751491678502912 |
score |
11.035349 |