Various semiclassical limits of torus conformal blocks

Abstract We study four types of one-point torus blocks arising in the large central charge regime. There are the global block, the light block, the heavy-light block, and the linearized classical block, according to different regimes of conformal dimensions. It is shown that the blocks are not indep...

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Main Authors: Konstantin Alkalaev, Roman Geiko, Vladimir Rappoport
Format: Article
Language:English
Published: SpringerOpen 2017-04-01
Series:Journal of High Energy Physics
Subjects:
Online Access:http://link.springer.com/article/10.1007/JHEP04(2017)070
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author Konstantin Alkalaev
Roman Geiko
Vladimir Rappoport
author_facet Konstantin Alkalaev
Roman Geiko
Vladimir Rappoport
author_sort Konstantin Alkalaev
collection DOAJ
description Abstract We study four types of one-point torus blocks arising in the large central charge regime. There are the global block, the light block, the heavy-light block, and the linearized classical block, according to different regimes of conformal dimensions. It is shown that the blocks are not independent being connected to each other by various links. We find that the global, light, and heavy-light blocks correspond to three different contractions of the Virasoro algebra. Also, we formulate the c-recursive representation of the one-point torus blocks which is relevant in the semiclassical approximation.
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spelling doaj.art-d735a176d73f48b0b544cb6f9cd7d7172022-12-21T19:49:54ZengSpringerOpenJournal of High Energy Physics1029-84792017-04-012017412210.1007/JHEP04(2017)070Various semiclassical limits of torus conformal blocksKonstantin Alkalaev0Roman Geiko1Vladimir Rappoport2I.E. Tamm Department of Theoretical Physics, P.N. Lebedev Physical InstituteMathematics Department, National Research University Higher School of EconomicsI.E. Tamm Department of Theoretical Physics, P.N. Lebedev Physical InstituteAbstract We study four types of one-point torus blocks arising in the large central charge regime. There are the global block, the light block, the heavy-light block, and the linearized classical block, according to different regimes of conformal dimensions. It is shown that the blocks are not independent being connected to each other by various links. We find that the global, light, and heavy-light blocks correspond to three different contractions of the Virasoro algebra. Also, we formulate the c-recursive representation of the one-point torus blocks which is relevant in the semiclassical approximation.http://link.springer.com/article/10.1007/JHEP04(2017)070AdS-CFT CorrespondenceConformal Field Theory
spellingShingle Konstantin Alkalaev
Roman Geiko
Vladimir Rappoport
Various semiclassical limits of torus conformal blocks
Journal of High Energy Physics
AdS-CFT Correspondence
Conformal Field Theory
title Various semiclassical limits of torus conformal blocks
title_full Various semiclassical limits of torus conformal blocks
title_fullStr Various semiclassical limits of torus conformal blocks
title_full_unstemmed Various semiclassical limits of torus conformal blocks
title_short Various semiclassical limits of torus conformal blocks
title_sort various semiclassical limits of torus conformal blocks
topic AdS-CFT Correspondence
Conformal Field Theory
url http://link.springer.com/article/10.1007/JHEP04(2017)070
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