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Browsing Research Articles (Srikanth Sastry) by Author "Sengupta, Shiladitya"

Browsing Research Articles (Srikanth Sastry) by Author "Sengupta, Shiladitya"

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  • Diffusivity anomaly in modified Stillinger-Weber liquids 
    Sengupta, Shiladitya; Vasisht, Vishwas V.; Sastry, Srikanth (American Institute of Physics, 2014)
    By modifying the tetrahedrality (the strength of the three body interactions) in the well-known Stillinger-Weber model for silicon, we study the diffusivity of a series of model liquids as a function of tetrahedrality and ...
  • Nesting of thermodynamic, structural, and dynamic anomalies in liquid silicon 
    Vasisht, Vishwas V.; Mathew, John; Sengupta, Shiladitya; Sastry, Srikanth (American Institute of Physics, 2014)
    Anomalous behaviour in density, diffusivity, and structural order is investigated for silicon modeled by the Stillinger-Weber potential by performing molecular dynamics simulations. As previously reported in the case of ...
  • Role of Structure and Entropy in Determining Differences in Dynamics for Glass Formers with Different Interaction Potentials 
    Banerjee, Atreyee; Sengupta, Shiladitya; Sastry, Srikanth; Bhattacharyya, Sarika Maitra (American Physical Society, 2014)
    We present a study of two model liquids with different interaction potentials, exhibiting similar structure but significantly different dynamics at low temperatures. By evaluating the configurational entropy, we show that ...
  • Unraveling the success and failure of mode coupling theory from consideration of entropy 
    Nandi, Manoj Kumar; Banerjee, Atreyee; Sengupta, Shiladitya; Sastry, Srikanth; Bhattacharyya, Sarika Maitra (American Institute of Physics, 2015)
    We analyze the dynamics of model supercooled liquids in a temperature regime where predictions of mode coupling theory (MCT) are known to be valid qualitatively. In this regime, the Adam-Gibbs (AG) relation, based on an ...

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