Resolving the singularity of the Hawking-Turok type instanton
arXiv:gr-qc/9810002 · doi:10.1016/S0370-2693(98)01273-8
Abstract
We point out that the singular instanton of Hawking-Turok type, in which the singularity occurs due to the divergence of a massless scalar field, can be generated by Euclideanized regular -brane solutions in string (or M-) theory upon compactification to four dimensions.
minor changes, 8 pages, to be published in Phys.Lett.B