A cylindrically symmetric solution in Einstein-Maxwell-dilaton gravity

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Authors	KLEPÁČ Pavel HORSKÝ Jan
Year of publication	2002
Type	Article in Periodical
Magazine / Source	General Relativity and Gravitation
MU Faculty or unit	Faculty of Science
Citation
Web	http://gottardo.ingentaselect.com/vl=710144/cl=66/nw=1/rpsv/ij/klu/00017701/v34n11/s19/p1979
Field	Theoretical physics
Keywords	Exact solutions; charged perfect fluid; scalar field
Description	We consider the existence of Einstein-Maxwell-dilaton plus fluid systems for the case of stationary cylindrically symmetric spacetimes. An exact inhomogeneous -order solution is found, where the parameter parametrizes the non-minimally coupled electromagnetic field. Some its physical attributes are investigated and a connection with the already known Gödel-type solution is given. It is shown that our solution also survives in the string-inspired charged gravity framework. We find that a magnetic field has positive influence on the chronology violation unlike the dilaton influence.
Related projects:	Geometric analysis