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Classical and Quantum Gravity

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Classical and Quantum Gravity Volume 7 Number 7 Create an alert RSS this journal

J Lewandowski 1990 Class. Quantum Grav. 7 L135 doi:10.1088/0264-9381/7/7/003

Conformal symmetries of pure radiation

J Lewandowski

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Abstract References Cited By

LETTER TO THE EDITOR

The author shows that a spacetime for which the matter content is pure (null) shear-free and twisting radiation, with or without a cosmological constant cannot admit a proper conformal Killing vector field.


PACS

04.20.-q Classical general relativity

04.40.Nr Einstein-Maxwell spacetimes, spacetimes with fluids, radiation or classical fields

MSC

83C05 Einstein's equations (general structure, canonical formalism, Cauchy problems)

83C60 Spinor and twistor methods; Newman-Penrose formalism

Subjects

Gravitation and cosmology

Dates

Issue 7 (July 1990)



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