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Aggressive Phase Separation in Dense Mixtures of Passive and Active Particles
Purnendu Pathak, Gokul Upadhyay, Subir K. Das
Using Vicsek-like self-propulsion rule, we study kinetics of liquid-liquid phase separation in mixtures of passive and active particles. For evolutions following temperature quench…
Anomalous temperature dependence in phase transitions via ballistic coalescence
Nalina Vadakkayil, Sutapa Roy, Jiarul Midya +1
We study kinetics of phase transitions within a single component Lennard-Jones model. For low enough particle densities disconnected clusters form that can move ballistically in an…
Multiscale Phase Separation in Chemophoretic Active Matter
Manisha Jhajhria, Subir K. Das, Snigdha Thakur
Nonreciprocal interactions in active matter provide interesting structure and dynamics. Here we investigate chemophoretic systems in which nonreciprocity arises from the asymmetric…
Domain Growth and Aging in a Phase Separating Binary Fluid Confined Inside a Nanopore
Saikat Basu, Suman Majumder, Raja Paul +1
Hydrodynamics is known to have strong effects on the kinetics of phase separation. There exist open questions on how such effects manifest in systems under confinement. Here, we ha…
Density-field structures in a few systems undergoing velocity ordering
Subir K. Das, Sohini Chatterjee, Wasim Akram +3
We consider two (off-lattice) varieties of out-of-equilibrium systems, viz., granular and active matter systems, that, in addition to displaying velocity ordering, exhibit fascinat…
How Do Clusters in Phase-Separating Active Matter Systems Grow? A study for Vicsek activity in systems undergoing vapor-solid transition
Subhajit Paul, Arabinda Bera, Subir K. Das
Via molecular dynamics simulations we have studied kinetics of vapor-"solid" phase transition in an active matter model in which self-propulsion is introduced via the well-known Vi…