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Showing 1–13 of 13 results
Advanced filters: Author: Srikanth Sastry Clear advanced filters

  • The full phase diagram of supercooled silicon has not been accessible experimentally, so the critical behaviour is highly debated. Numerical simulations now reveal a liquid–liquid critical end-point at negative pressure. This study further supports the similarity between silicon and water.

    • Vishwas V. Vasisht
    • Shibu Saw
    • Srikanth Sastry
    Research
    Nature Physics
    Volume: 7, P: 549-553

  • The onset of yielding can be difficult to define unambiguously for amorphous materials. Here the authors undertake computer simulations of model glasses of varying system sizes and show that, under oscillatory shear, they exhibit a sharp transition independent of preparation history.

    • Premkumar Leishangthem
    • Anshul D. S. Parmar
    • Srikanth Sastry
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-8

  • Assemblies of active particles display a range of dynamical phenomena. Simulations now show that the transition of an assembly of active particles from a jammed to a fluidized state is similar to the process of mechanical yielding seen in amorphous solids.

    • Yagyik Goswami
    • G. V. Shivashankar
    • Srikanth Sastry
    ResearchOpen Access
    Nature Physics
    Volume: 21, P: 817-824

  • Visionary explorer of glasses and the limits of the liquid state.

    • Pablo G. Debenedetti
    • Peter H. Poole
    • Francesco Sciortino
    Comments & Opinion
    Nature
    Volume: 593, P: 336

  • Amorphous packings of spheres subject to shear and friction jam above a critical density. Simulations now show that shear results in geometrical patterns that are precursors to jammed structures and that friction effectuates the jamming.

    • H. A. Vinutha
    • Srikanth Sastry
    Research
    Nature Physics
    Volume: 12, P: 578-583

  • Laboratory experiments point to a mechanism by which ice forms from supercooled water with surprising alacrity. Such a mechanism may help to explain ice formation in the atmosphere under certain conditions.

    • Srikanth Sastry
    News & Views
    Nature
    Volume: 438, P: 746-747

  • The mysterious properties of supercooled water have long puzzled researchers. When supercooled below 0°C (273 K), by not allowing crystallization to occur, water forms an amorphous solid, or glass. Now there is evidence that water changes character, from being a highly 'fragile' liquid above 236 K to being a 'strong' liquid near 136 K, the glass-transition temperature.

    • Srikanth Sastry
    News & Views
    Nature
    Volume: 398, P: 467-469

  • Water is a common but unusual liquid. Precise measures of the arrangement of molecules in water may help us to better understand some of its peculiar properties.

    • Srikanth Sastry
    News & Views
    Nature
    Volume: 409, P: 300-301

  • Computer simulations are illuminating the molecular processes through which water is transformed into ice — and offering insight into crystallization more generally.

    • Srikanth Sastry
    News & Views
    Nature
    Volume: 416, P: 376-377