Adam Chudecki and Maciej Przanowski 2008 Class. Quantum Grav. 25 055010 doi:10.1088/0264-9381/25/5/055010
-spaces admitting twisting null geodesic congruence
Adam Chudecki1 and Maciej Przanowski2
Show affiliationsExpanding
-spaces with cosmological constant of the type [deg]
[deg] are considered. We find the expanding hyperheavenly equation describing such spaces and then we specify this equation to the case of the type [N]
[N]. An example of the solution of this last equation leading to the type-[N]
[N]
-space (with vanishing cosmological constant) admitting twisting null geodesic congruence is presented and the respective metric is explicitly given.
Issue 5 (7 March 2008)
Received 21 November 2007, in final form 14 January 2008
Published 15 February 2008
-spaces admitting twisting null geodesic congruence
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