2007/10/31 by Anjishnu Sarkar, Abhishek Singh, Abhishek +1
Physics and Astronomy · #Black Holes and Theoretical Physics #Neutrino Physics Research #Particle physics theoretical and experimental studies #hep-ph
paper · pdf · doi:10.1016/j.nuclphysb.2008.03.020
published as Nucl.Phys.B800:253-269,2008 · 25 pages, 2 figures, revtex4, minor clarifications, references added, conclusion remains same, to appear in Nuclear Physics B
arxiv created 2008/04/03 · openalex publication_date 2008/04/12 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/02
We study the cosmology of two versions of supersymmetric Left–Right symmetric model. The scale of the B–L symmetry breaking in these models is naturally low, 104–106 GeV. Spontaneous breakdown of parity is accompanied by a first order phase transition. We simulate the domain walls of the phase transition and show that they provide requisite conditions, specifically, CP violating phase needed for leptogenesis. Additionally soft resonant leptogenesis is conditionally viable in the two models considered. Some of the parameters in the soft supersymmetry breaking terms are shown to be constrained from these considerations. It is argued that the models may be testable in upcoming collider and cosmology experiments.