Abstract
We discuss the consequences of the incorrectness [see the Erratum Phys. Rev. D 49, 1145(E) (1994)] of Cotsakis’ paper and add two related remarks. The scope of this Comment is to encourage further research on ‘‘which of the conformally equivalent metrics is the physical one.’’
- Received 30 June 1994
DOI:https://doi.org/10.1103/PhysRevD.52.6198
©1995 American Physical Society