2 papers
cond-mat.stat-mech2026
Diffusive-to-Ballistic transition in a Persistent Random Walk
Amit Pradhan, Reshmi Roy, Purusattam Ray
We study persistent random walk with time dependent velocity reversal probabilities and identify a criterion for a non-equilibrium dynamical transition. As a representative example…
cond-mat.stat-mech2025
Effect of presence of rigid impurities in a system of annihilating domain walls with dynamic bias
Reshmi Roy, Parongama Sen
The dynamics of interacting domain walls, regarded as a system of particles which are biased to move towards their nearest neighbours and annihilate when they meet, have been studi…