2 papers
gr-qc2018
On gravitational lensing by symmetric and asymmetric wormholes
K. A. Bronnikov, K. A. Baleevskikh
We discuss the peculiarities of gravitational lensing by spherically symmetric wormholes if they are not symmetric with respect to their throats. It is noticed, in particular, that…
gr-qc2018
The Schwarzschild singularity: a semiclassical bounce?
S. V. Bolokhov, K. A. Bronnikov, M. V. Skvortsova
We discuss the opportunity that the singularity inside a Schwarzschild black hole could be replaced by a regular bounce, described as a regular minimum of the spherical radius (ins…