Comment on the Roberts solution for the spherically-symmetric Einstein-scalar field equations
classification
🌀 gr-qc
keywords
solutionequationsfieldrobertseinstein-scalarcasecommentcoordinates
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We critically examine the Roberts homothetic solution for the spherically symmetric Einstein-scalar field equations in double null coordinates, and show that the Roberts solution indeed solves the field equations only for one non-trivial case. We generalize this solution and discuss its relations with other known exact solutions.
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