5 citations · 5 across the 1 of their papers we have counts for
4 papers · 1 filter
Solitons of axion-dilaton gravity
I. Bakas
We use soliton techniques of the two-dimensional reduced beta-function equations to obtain non-trivial string backgrounds from flat space. These solutions are characterized by two…
Universal aspects of string propagation on curved backgrounds
I. Bakas, K. Sfetsos
String propagation on D-dimensional curved backgrounds with Lorentzian signature is formulated as a geometrical problem of embedding surfaces. When the spatial part of the backgrou…
Toda fields of SO(3) hyper-Kahler metrics and free field realizations
I. Bakas, K. Sfetsos
The Eguchi-Hanson, Taub-NUT and Atiyah-Hitchin metrics are the only complete non-singular SO(3)-invariant hyper-Kahler metrics in four dimensions. The presence of a rotational SO(2…
Toda Fields of SO(3) Hyper-Kahler Metrics
I. Bakas, K. Sfetsos
We examine the Toda frame formulation of the SO(3)-invariant hyper-Kahler 4-metrics, namely Eguchi-Hanson, Taub-NUT and Atiyah-Hitchin. Our method exploits the presence of a rotati…