NDLI: Symmetries of Type D Pure Radiation Fields

Content Provider	Springer Nature Link
Author	Ahsan, Zafar Ali, Musavvir
Copyright Year	2012
Abstract	The geometrical symmetries corresponding to the continuous groups of collineations and motions generated by a null vector l are considered. These symmetries have been translated into the language of Newman-Penrose formalism for pure radiation (PR) type D fields. It is seen that for such fields, conformal, special conformal and homothetic motions degenerate to motion. The concept of free curvature, matter curvature and matter affine collineations have been introduced and the conditions under which PR type D fields admit such collineations have been obtained. Moreover, it is shown that the projective collineation degenerate to matter affine, special projective, conformal, special conformal, null geodesic and special null geodesic collineations. It is also seen that type D pure radiation fields admit Maxwell collineation along the propagation vector l.
Starting Page	2044
Ending Page	2055
Page Count	12
File Format	PDF
ISSN	00207748
Journal	International Journal of Theoretical Physics
Volume Number	51
Issue Number	7
e-ISSN	15729575
Language	English
Publisher	Springer US
Publisher Date	2012-02-13
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Petrov type D gravitational fields Newman-Penrose formalism Symmetries of spacetime Quantum Physics Elementary Particles, Quantum Field Theory Physics Theoretical, Mathematical and Computational Physics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Mathematics

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