2 papers
cond-mat.soft2026
Traveling waves, phase separation and pattern formation in the active stepping stone model
Rashmiranjan Bhutia, Prasad Perlekar, Kabir Ramola
Selective advantage leads to the proliferation of a species into an ecosystem. On the other hand, self-propulsion can lead to dynamic clustering of individuals. To analyze the intr…
cond-mat.stat-mech2025
Diffusive noise controls early stages of genetic demixing
Rashmiranjan Bhutia, Stephy Jose, Prasad Perlekar +1
Theoretical descriptions of the stepping-stone model, a cornerstone of spatial population genetics, have long overlooked diffusive noise arising from migration dynamics. We derive…