1. Faizuddin Ahmed, Bidyut Bikash Hazarika and Debojit Sarma, "The anti-de
Sitter spacetime as a time machine", Eur. Phys. J. Plus (2016) 131: 230
2. Bidyut Bikash Hazarika, "Generalising certain cosmological solutions sourced
by a stiff perfect fluid", Indian J Phys (2021) 95:1917-1921
3. Faizuddin Ahmed, Bidyut Bikash Hazarika and Debojit Sarma, "Axial
Symmetry Cosmological Constant Vacuum Solution of Field Equations with a
Curvature Singularity, Closed Time-Like Curves, and Deviation of Geodesics",
Adv. in High Energy Phys. Volume 2020, Article ID 8265872
4. Bidyut Bikash Hazarika, "Axially symmetric Petrov type II general space time
and closed timelike curves", Int. Jour. Mod. Phys. A, Vol. 36, No. 3 (2021)
2150017
5. Bidyut Bikash Hazarika, " An axially symmetric spacetime with causality
violation", Phys.Scr. 96(2021)075208
6. Bidyut Bikash Hazarika, "A conformally flat four-dimensional curved
generalization of the two-dimensional Misner space", Eur. Phys. J. Plus
(2021) 136:600
7. Bidyut Bikash Hazarika, " Introducing a general time machine solution and
analysis of a vacuum spacetime generating closed timelike curves", Eur. Phys.
J. Plus (2022) 137:13
