Probing the pair structure of supercooled fluids by integral equations: Evidence for an equilibrium liquid-ideal glass transition? - Université de Lorraine Access content directly
Journal Articles EPL - Europhysics Letters Year : 2014

Probing the pair structure of supercooled fluids by integral equations: Evidence for an equilibrium liquid-ideal glass transition?

Jean-Marc Bomont
Jean-Pierre Hansen
  • Function : Author

Abstract

We solve the hypernetted-chain (HNC) and Rogers-Young (RY) integral equations for the pair structure of a system of two weakly coupled replicae of a soft-sphere fluid, in order to detect signatures of an equilibrium transition to an ``ideal glass''. Both integral equations predict, in addition to the supercooled-liquid branch, the appearance of a new disordered state characterized by different pair correlations, over a range of temperatures. The ideal-glass transition temperature T-DJ, identified by a discontinuous jump in the inter-replica pair correlation function, is predicted to be substantially higher with RY compared to HNC theory. The internal energy is predicted to undergo a weak discontinuity at T-DJ.

Dates and versions

hal-01516910 , version 1 (02-05-2017)

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Jean-Marc Bomont, Giorgio Pastore, Jean-Pierre Hansen. Probing the pair structure of supercooled fluids by integral equations: Evidence for an equilibrium liquid-ideal glass transition?. EPL - Europhysics Letters, 2014, 105 (3), ⟨10.1209/0295-5075/105/36003⟩. ⟨hal-01516910⟩

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