T-Duality in Sigma Models with Kaluza-Klein Metric as Electric-Magnetic Duality
M. A. Jafarizadeh, A. Rezaei-Aghdam
TL;DR
This paper demonstrates that T-duality in sigma models with Kaluza-Klein metrics can be viewed as electric-magnetic duality, exchanging topological and Noether charges in solitonic solutions.
Contribution
It provides a novel interpretation of T-duality as electric-magnetic duality in sigma models with Kaluza-Klein metrics, including cases with torsion.
Findings
T-duality interchanges topological and Noether charges.
Buscher's duality transformation acts as electric-magnetic duality.
The interpretation applies to models with or without torsion.
Abstract
It is shown that the T-duality in \sigma-model with Kaluza-Klein metric, without or with a torsion term, can be interpreted as electric-magnetic duality for some of their solitonic solutions. Actually Buscher's duality transformation interchanges the topological and Noether charges.
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