9 citations · 18 across the 23 of their papers we have counts for
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Scaling Description of the Relaxation Dynamics and Dynamical Heterogeneity of an Active Glass-forming Liquid
Subhodeep Dey, Smarajit Karmakar
Active glasses refer to a class of driven non-equilibrium systems that share remarkably similar dynamical behavior as conventional glass-formers in equilibrium. Glass-like dynamica…
Instabilities govern the low-frequency vibrational spectrum of amorphous solids
Surajit Chakraborty, Roshan Maharana, Smarajit Karmakar +1
Amorphous solids exhibit an excess of low-frequency vibrational modes beyond the Debye prediction, contributing to their anomalous mechanical and thermal properties. Although a $ω^…
Effect of Random Pinning on the Yielding Transition of Amorphous Solid under Oscillatory Shear
Roni Chatterjee, Monoj Adhikari, Smarajit Karmakar
We investigate the effects of random pinning, where we freeze the relaxation degrees of freedom for a fraction of randomly selected particles, on the yielding transition under osci…
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…
A perspective on active glassy dynamics in biological systems
Souvik Sadhukhan, Subhodeep Dey, Smarajit Karmakar +1
Dynamics is central to living systems. In the last two decades, experiments have revealed that the dynamics in diverse biological systems - from intracellular cytoplasm to cellular…
Role of Fragility of the Glass Formers in the Yielding Transition under Oscillatory Shear
Roni Chatterjee, Monoj Adhikari, Smarajit Karmakar
Amorphous materials, especially metallic glasses, are known for their exceptional mechanical properties, such as high yield strength and large yield strain. Understanding the micro…
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…
Influence of particle size polydispersity on dynamical heterogeneities in dense particle packings
Rajkumar Biswas, Anoop Mutneja, Smarajit Karmakar +1
The dynamics of dense particle packings near the jamming transition is characterized by correlated particle motion. The growth of dynamical heterogeneities, or strong spatial varia…