Gravitational strings. Do we see one?

Abstract

I present a class of objects called gravitational strings (GS) for their similarity to the conventional cosmic strings: even though the former are just singularities in flat spacetime, both varieties are equally "realistic", they may play equally important cosmological rôle and their lensing properties are akin. I argue that the enigmatic object CSL-1 is an evidence in favor of the existence of GS.

The published version. Minor corrections

References in corpus (2)

• Gravitational lensing by cosmic strings: what we learn from the CSL-1 case
• Unconventional string-like singularities in flat spacetime

Cited by in corpus (1)

• Even the Minkowski space is holed