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The journal of high energy physics, 2019-03, Vol.2019 (3), p.1-28, Article 120
Ort / Verlag
Berlin/Heidelberg: Springer Berlin Heidelberg
Erscheinungsjahr
2019
Quelle
EZB Electronic Journals Library
Beschreibungen/Notizen
A
bstract
According to the Axionic String Ansatz (ASA) confining flux tubes in pure gluodynamics are in the same equivalence class as a new family of integrable non-critical strings, called axionic strings. In addition to translational modes, axionic strings carry a set of worldsheet axions transforming as an antisymmetric tensor under the group of transverse rotations. We initiate a study of integrable axionic strings at general number of space-time dimensions
D
. We show that in the infinite tension limit worldsheet axions should be described by a peculiar “pseudofree” theory — their
S
-matrix is trivial, but the corresponding action cannot be brought into a free form by a local field redefinition. This requirement fixes the axionic action to take a form of the
O
(
D
− 2) Wess-Zumino-Witten (WZW) model.