Two-loop conformal invariance for Yang-Baxter deformed strings
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F20%3A00116958" target="_blank" >RIV/00216224:14310/20:00116958 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1007/JHEP03(2020)126" target="_blank" >https://doi.org/10.1007/JHEP03(2020)126</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/JHEP03(2020)126" target="_blank" >10.1007/JHEP03(2020)126</a>
Alternative languages
Result language
angličtina
Original language name
Two-loop conformal invariance for Yang-Baxter deformed strings
Original language description
The so-called homogeneous Yang-Baxter (YB) deformations can be considered a non-abelian generalization of T-duality-shift-T-duality (TsT) transformations. TsT transformations are known to preserve conformal symmetry to all orders in alpha '. Here we argue that (unimodular) YB deformations of a bosonic string also preserve conformal symmetry, at least to two-loop order. We do this by showing that, starting from a background with no NSNS-flux, the deformed background solves the alpha ' -corrected supergravity equations to second order in the deformation parameter. At the same time we determine the required alpha ' -corrections of the deformed background, which take a relatively simple form. In examples that can be constructed using, possibly non-commuting sequences of, TsT transformations we show how to obtain the first alpha ' -correction to all orders in the deformation parameter by making use of the alpha ' -corrected T-duality rules. We demonstrate this on the specific example of YB deformations of a Bianchi type II background.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10308 - Astronomy (including astrophysics,space science)
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of High Energy Physics
ISSN
1029-8479
e-ISSN
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Volume of the periodical
Neuveden
Issue of the periodical within the volume
3
Country of publishing house
US - UNITED STATES
Number of pages
30
Pages from-to
1-30
UT code for WoS article
000526891800001
EID of the result in the Scopus database
2-s2.0-85082526013