Yang–Baxter sigma models based on the CYBE

It is known that Yang–Baxter sigma models provide a systematic way to study integrable deformations of both principal chiral models and symmetric coset sigma models. In the original proposal and its subsequent development, the deformations have been characterized by classical r-matrices satisfying t...

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Main Authors: Takuya Matsumoto, Kentaroh Yoshida
Format: Article
Language:English
Published: Elsevier 2015-04-01
Series:Nuclear Physics B
Online Access:http://www.sciencedirect.com/science/article/pii/S0550321315000553
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spelling doaj-d0ab0e0d4da1428f9e7012e9ed3194702020-11-24T21:18:29ZengElsevierNuclear Physics B0550-32132015-04-01893287304Yang–Baxter sigma models based on the CYBETakuya Matsumoto0Kentaroh Yoshida1Institute for Advanced Research and Department of Mathematics, Nagoya University, Nagoya 464-8602, JapanDepartment of Physics, Kyoto University, Kyoto 606-8502, Japan; Corresponding author.It is known that Yang–Baxter sigma models provide a systematic way to study integrable deformations of both principal chiral models and symmetric coset sigma models. In the original proposal and its subsequent development, the deformations have been characterized by classical r-matrices satisfying the modified classical Yang–Baxter equation (mCYBE). In this article, we propose the Yang–Baxter sigma models based on the classical Yang–Baxter equations (CYBE) rather than the mCYBE. This generalization enables us to utilize various kinds of solutions of the CYBE to classify integrable deformations. In particular, it is straightforward to realize partial deformations of the target space without loss of the integrability of the parent theory.http://www.sciencedirect.com/science/article/pii/S0550321315000553
collection DOAJ
language English
format Article
sources DOAJ
author Takuya Matsumoto
Kentaroh Yoshida
spellingShingle Takuya Matsumoto
Kentaroh Yoshida
Yang–Baxter sigma models based on the CYBE
Nuclear Physics B
author_facet Takuya Matsumoto
Kentaroh Yoshida
author_sort Takuya Matsumoto
title Yang–Baxter sigma models based on the CYBE
title_short Yang–Baxter sigma models based on the CYBE
title_full Yang–Baxter sigma models based on the CYBE
title_fullStr Yang–Baxter sigma models based on the CYBE
title_full_unstemmed Yang–Baxter sigma models based on the CYBE
title_sort yang–baxter sigma models based on the cybe
publisher Elsevier
series Nuclear Physics B
issn 0550-3213
publishDate 2015-04-01
description It is known that Yang–Baxter sigma models provide a systematic way to study integrable deformations of both principal chiral models and symmetric coset sigma models. In the original proposal and its subsequent development, the deformations have been characterized by classical r-matrices satisfying the modified classical Yang–Baxter equation (mCYBE). In this article, we propose the Yang–Baxter sigma models based on the classical Yang–Baxter equations (CYBE) rather than the mCYBE. This generalization enables us to utilize various kinds of solutions of the CYBE to classify integrable deformations. In particular, it is straightforward to realize partial deformations of the target space without loss of the integrability of the parent theory.
url http://www.sciencedirect.com/science/article/pii/S0550321315000553
work_keys_str_mv AT takuyamatsumoto yangbaxtersigmamodelsbasedonthecybe
AT kentarohyoshida yangbaxtersigmamodelsbasedonthecybe
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