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T-duality and world-sheet supersymmetry

Bakas, I and Sfetsos, K (1995) T-duality and world-sheet supersymmetry Phys.Lett. B, 349. pp. 448-457.

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Four-dimensional string backgrounds with local realizations of N = 4 world-sheet supersymmetry have, in the presence of a rotational Killing symmetry, only one complex structure which is an SO(2) singlet, while the other two form an SO(2) doublet. Although N = 2 world-sheet supersymmetry is always preserved under Abelian T-duality transformations, N = 4 breaks down to N = 2 in the rotational case. A non-local realization of N = 4 supersymmetry emerges, instead, with world-sheet parafermions. For SO(3)-invariant metrics of purely rotational type, like the Taub-NUT and the Atiyah-Hitchin metrics, none of the locally realized extended world-sheet supersymmetries can be preserved under non-Abelian duality.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Bakas, I
Date : 10 February 1995
DOI : 10.1016/0370-2693(95)00290-2
Uncontrolled Keywords : hep-th, hep-th
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:27
Last Modified : 24 Jan 2020 22:17

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