2024-03-29T09:16:09Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/431922020-05-20T11:17:44Zcom_10261_49com_10261_4col_10261_175
00925njm 22002777a 4500
dc
Kallosh, Renata
author
Kastor, David
author
Ortín Miguel, Tomás
author
Torma, Tibor
author
1994-11
New stationary solutions of four-dimensional dilaton-axion gravity are presented, which correspond to the charged Taub-NUT and Israel-Wilson-Perjés (IWP) solutions of Einstein-Maxwell theory. The charged axion-dilaton Taub-NUT solutions are shown to have a number of interesting properties: (i) manifest SL(2,R) symmetry; (ii) an infinite throat in an extremal limit; (iii) the throat limit coincides with an exact CFT construction. The IWP solutions are shown to admit supersymmetric Killing spinors, when embedded in d=4,N=4 supergravity. This poses a problem for the interpretation of supersymmetric rotating solutions as physical ground states. In the context of 10-dimensional geometry, we show that dimensionally lifted versions of the IWP solutions are dual to certain gravitational waves in string theory.
Physical Review D 50(10): 6374-6384 (1994)
1550-7998
http://hdl.handle.net/10261/43192
10.1103/PhysRevD.50.6374
1550-2368
Supersymmetry and stationary solutions in dilaton-axion gravity