The one-soliton solutions found earlier through the inverse scattering method for the complex sine-Gordon theory by Lund (m2 < 0) and by Vega and Maillet (m2 > 0) are reobtained by using the virial theorem for solitons. An attempt is made to understand the physics of the virial approach.
Pramana – Journal of Physics
Volume 97, 2023 All articles Continuous Article Publishing mode
