Asymmetric Galilean conformal algebras

The usual Galilean contraction procedure for generating new conformal symmetry algebras takes as input a number of symmetry algebras which are equivalent up to central charge. We demonstrate that the equivalence condition can be relaxed by inhomogeneously contracting the chiral algebras and present...

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Main Authors: Eric Ragoucy, Jørgen Rasmussen, Christopher Raymond
Format: Article
Language:English
Published: Elsevier 2022-08-01
Series:Nuclear Physics B
Online Access:http://www.sciencedirect.com/science/article/pii/S0550321322002085
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author Eric Ragoucy
Jørgen Rasmussen
Christopher Raymond
author_facet Eric Ragoucy
Jørgen Rasmussen
Christopher Raymond
author_sort Eric Ragoucy
collection DOAJ
description The usual Galilean contraction procedure for generating new conformal symmetry algebras takes as input a number of symmetry algebras which are equivalent up to central charge. We demonstrate that the equivalence condition can be relaxed by inhomogeneously contracting the chiral algebras and present general results for the ensuing asymmetric Galilean algebras. Several examples relevant to conformal field theory are discussed in detail, including superconformal algebras and W-algebras. We also discuss how the Sugawara construction is modified in the asymmetric setting.
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spelling doaj.art-cbd2b4f66d4444bf85584ad49eaee90f2022-12-22T02:30:10ZengElsevierNuclear Physics B0550-32132022-08-01981115857Asymmetric Galilean conformal algebrasEric Ragoucy0Jørgen Rasmussen1Christopher Raymond2Laboratoire d'Annecy-le-Vieux de Physique Théorique (LAPTH), Université Grenoble Alpes, CNRS, F-74000 Annecy, FranceSchool of Mathematics and Physics, the University of Queensland, St Lucia, Brisbane, Queensland 4072, AustraliaMathematical Sciences Institute, The Australian National University, Acton, Australian Capital Territory 2600, Australia; Corresponding author.The usual Galilean contraction procedure for generating new conformal symmetry algebras takes as input a number of symmetry algebras which are equivalent up to central charge. We demonstrate that the equivalence condition can be relaxed by inhomogeneously contracting the chiral algebras and present general results for the ensuing asymmetric Galilean algebras. Several examples relevant to conformal field theory are discussed in detail, including superconformal algebras and W-algebras. We also discuss how the Sugawara construction is modified in the asymmetric setting.http://www.sciencedirect.com/science/article/pii/S0550321322002085
spellingShingle Eric Ragoucy
Jørgen Rasmussen
Christopher Raymond
Asymmetric Galilean conformal algebras
Nuclear Physics B
title Asymmetric Galilean conformal algebras
title_full Asymmetric Galilean conformal algebras
title_fullStr Asymmetric Galilean conformal algebras
title_full_unstemmed Asymmetric Galilean conformal algebras
title_short Asymmetric Galilean conformal algebras
title_sort asymmetric galilean conformal algebras
url http://www.sciencedirect.com/science/article/pii/S0550321322002085
work_keys_str_mv AT ericragoucy asymmetricgalileanconformalalgebras
AT jørgenrasmussen asymmetricgalileanconformalalgebras
AT christopherraymond asymmetricgalileanconformalalgebras