3 papers
cond-mat.soft2026
Active Brownian Dynamics from a Hamiltonian Model: Transitioning from Equilibrium to Activity
Antik Bhattacharya, Smarajit Karmakar, Jürgen Horbach
We introduce a Hamiltonian Active Brownian Particle (HABP) model that connects equilibrium dynamics with the non-equilibrium, two-dimensional overdamped behavior of standard Active…
cond-mat.stat-mech2024
Thermostatting of Active Hamiltonian Systems via Symplectic Algorithms
Antik Bhattacharya, Jürgen Horbach, Smarajit Karmakar
We consider a class of non-standard, two-dimensional (2D) Hamiltonian models that may show features of active particle dynamics, and therefore, we refer to these models as active H…
cond-mat.soft2024
Enhanced Long Wavelength Mermin-Wagner Fluctuations in Active Crystals and Glasses
Subhodeep Dey, Antik Bhattacharya, Smarajit Karmakar
In two-dimensions (2D), the Mermin-Wagner-Hohenberg (MWH) fluctuation plays a significant role, giving rise to striking dimensionality effects marked by long-range density fluctuat…