3,107 research outputs found
Charging Symmetries and Linearizing Potentials for Einstein-Maxwell Dilaton-Axion Theory
We derive a set of complex potentials which linearize the action of charging
symmetries of the stationary Einstein-Maxwell dilaton-axion theory.Comment: 10 pages in LaTe
Bosonic string - Kaluza Klein theory exact solutions using 5D-6D dualities
We present the explicit formulae which allow to transform the general
solution of the 6D Kaluza--Klein theory on a 3--torus into the special solution
of the 6D bosonic string theory on a 3--torus as well as into the general
solution of the 5D bosonic string theory on a 2--torus. We construct a new
family of the extremal solutions of the 3D chiral equation for the
SL(4,R)/SO(4) coset matrix and interpret it in terms of the component fields of
these three duality related theories.Comment: 13 pages in LaTe
Charging a Double Kerr Solution in 5D Einstein--Maxwell--Kalb--Ramond Theory
We consider the low-energy effective action of the 5D
Einstein-Maxwell-Kalb-Ramond theory. After compactifying this truncated model
on a two-torus and switching off the U(1) vector fields of this theory, we
recall a formulation of the resulting three-dimensional action as a double
Ernst system coupled to gravity. Further, by applying the so-called normalized
Harrison transformation on a generic solution of this double Ernst system we
recover the U(1) vector field sector of the theory. Afterward, we compute the
field content of the generated charged configuration for the special case when
the starting Ernst potentials correspond to a pair of interacting Kerr black
holes, obtaining in this way an exact field configuration of the 5D
Einstein-Maxwell-Kalb-Ramond theory endowed with effective Coulomb and dipole
terms with momenta. Some physical properties of this object are analyzed as
well as the effect of the normalized Harrison transformation on the double Kerr
seed solution.Comment: 15 pages in latex, revised versio
- …