Non-affine atomic rearrangement of glasses through stress-induced structural anisotropy

J Dong, H Peng, H Wang, Y Tong, Y Wang… - Nature Physics, 2023 - nature.com
The atomic-scale structural rearrangement of glasses on applied stress is central to the
understanding of their macroscopic mechanical properties and behaviour. However …

Brittle yielding in supercooled liquids below the critical temperature of mode coupling theory

K Lamp, N Küchler, J Horbach - The Journal of Chemical Physics, 2022 - pubs.aip.org
Molecular dynamics computer simulations of a polydisperse soft-sphere model under shear
are presented. The starting point for these simulations are deeply supercooled samples far …

On the existence of thermodynamically stable rigid solids

P Nath, S Ganguly, J Horbach… - Proceedings of the …, 2018 - National Acad Sciences
Customarily, crystalline solids are defined to be rigid since they resist changes of shape
determined by their boundaries. However, rigid solids cannot exist in the thermodynamic …

Nucleation theory for yielding of nearly defect-free crystals: Understanding rate dependent yield points

VS Reddy, P Nath, J Horbach, P Sollich, S Sengupta - Physical Review Letters, 2020 - APS
Experiments and simulations show that when an initially defect-free rigid crystal is subjected
to deformation at a constant rate, irreversible plastic flow commences at the so-called yield …

Thawed matrix method for computing local mechanical properties of amorphous solids

J Rottler, C Ruscher, P Sollich - The Journal of Chemical Physics, 2023 - pubs.aip.org
We present a method for computing locally varying nonlinear mechanical properties in
particle simulations of amorphous solids. Plastic rearrangements outside a probed region …

Continuum mechanics of nonideal crystals: Microscopic approach based on projection-operator formalism

F Miserez, S Ganguly, R Haussmann, M Fuchs - Physical Review E, 2022 - APS
We present a microscopic derivation of the laws of continuum mechanics of nonideal
ordered solids including dissipation, defect diffusion, and heat transport. The starting point is …

Elasticity in crystals with a high density of local defects: Insights from ultra-soft colloids

S Ganguly, GP Shrivastav, SC Lin, J Häring… - The Journal of …, 2022 - pubs.aip.org
In complex crystals close to melting or at finite temperatures, different types of defects are
ubiquitous and their role becomes relevant in the mechanical response of these solids …

Crystal to crystal transformation in soft ionic microgels: Kinetics and the role of local mechanical susceptibilities

S Ganguly, S Nöjd, A Yethiraj, P Schurtenberger… - Physical Review …, 2023 - APS
We report confocal microscopy experiments of electric-field-driven crystal-crystal
transformations in microgel colloids with varying particle softness. The transformation …

[HTML][HTML] On identifying collective displacements in apo-proteins that reveal eventual binding pathways

D Dube, N Ahalawat, H Khandelia… - PLoS computational …, 2019 - journals.plos.org
Binding of small molecules to proteins often involves large conformational changes in the
latter, which open up pathways to the binding site. Observing and pinpointing these rare …

Degeneracy in molecular scale organization of biological membranes

SS Iyer, A Srivastava - Soft Matter, 2020 - pubs.rsc.org
The scale-rich spatiotemporal organization in biological membranes has its origin in the
differential inter-and intra-molecular interactions among their constituents. In this work, we …