Radiation effects on particle's trajectory in the linear level
  In this work, we first obtain the linear form of the scalar self-force and then, the effect of self-force on the particle's trajectory is considered. In de Sitter space-time, within the classical approach, we consider this effect. Finally, some limits for the problem are presented. 
M. Fathi, M. Tanhayi-Ahari, M. R. Tanhayi and F. Tavakoli
gr-qc