2 papers
hep-th2020
A new model with solitary waves: solution, stability and quasinormal modes
Surajit Basak, Poulami Dutta Roy, Sayan Kar
We construct solitary wave solutions in a dimensional massless scalar () field theory with a specially chosen potential . The equation governing perturbations about…
gr-qc2019
Quasi-normal modes in a symmetric triangular barrier
Poulami Dutta Roy, Jagannath Das, Sayan Kar
Quasi-normal modes (QNMs) of the massless scalar wave in dimensions are obtained for a symmetric, finite, triangular barrier potential. This problem is exactly solvable, with…