Publications

S. Kumar, Z. Tang and S. Saito, Dynamic Slowdown and Spatial Correlations in Viscous Silica Melt: Perspectives from Dynamic Disorder, J. Chem. Phys. 164, 024503 (2026). [https://doi.org/10.1063/5.0305680]

S. Kumar and B. Bagchi, Boltzmann’s H-function for molecules with orientational degrees of freedom: Emergence of unique features, J. Chem. Phys. 161, 064504 (2024). [https://doi.org/10.1063/5.0220521]

S. Kumar, S. Sarkar, and B. Bagchi, Glassy Dynamics in a Liquid of Anisotropic Molecules: Bifurcation of Relaxation Spectrum, J. Chem. Phys. 160, 224501 (2024). [https://doi.org/10.1063/5.0210699]

S. Kumar, S. Acharya, and B. Bagchi, Sensitivity of Nonequilibrium Relaxation to Interaction Potentials: Timescales of Response from Boltzmann’s H Function, Phys. Rev. E 107, 24138 (2023).[https://doi.org/10.1103/PhysRevE.107.024138]

S. Kumar and B. Bagchi, Anomalous Concentration Dependence of Viscosity: Hidden Role of Cross-Correlations in Aqueous Electrolyte Solutions, J. Phys. Chem. B 127, 11031–11044  (2023). [https://doi.org/10.1021/acs.jpcb.3c05117]

S. Kumar and B. Bagchi, Correlation Lengths in Nanoconfined Water and Transport Properties, J. Chem. Phys. 156, 224501 (2022). [https://doi.org/10.1063/5.0090811]

A S Nair, S. Kumar, S. Acharya, and B. Bagchi, Rotation of Small Diatomics in Water-Ethanol Mixture: Multiple Breakdowns of Hydrodynamic Predictions, J. Chem. Phys. 153, 014504 (2020). [https://doi.org/10.1063/5.0005160]

S. Kumar, S. Sarkar, and B. Bagchi, Microscopic Origin of Breakdown of Stokes–Einstein Relation in Binary Mixtures: Inherent Structure Analysis, J. Chem. Phys. 152, 164507 (2020). [https://doi.org/10.1063/5.0004725 ]

S. Kumar, S. Sarkar, and B. Bagchi, Anomalous Viscoelastic Response of Water-Dimethyl Sulfoxide Solution and a Molecular Explanation of Non-Monotonic Composition Dependence of Viscosity, J. Chem. Phys. 151, 194505 (2019). [selected as Editor’s Pick] [https://doi.org/10.1063/1.5126381]