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Potential energy landscape signatures of slow dynamics in glass forming liquids

Author

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  • Sastry, Srikanth
  • Debenedetti, Pablo G.
  • Stillinger, Frank H.
  • Schrøder, Thomas B.
  • Dyre, Jeppe C.
  • Glotzer, Sharon C.

Abstract

We study the properties of local potential energy minima (‘inherent structures’) sampled by liquids at low temperatures as an approach to elucidating the mechanisms of the observed dynamical slowing down observed as the glass transition temperature is approached. This onset of slow dynamics is accompanied by the sampling of progressively deeper potential energy minima. Further, evidence is found in support of a qualitative change in the inherent structures sampled in a temperature range that includes the mode coupling critical temperature Tc, such that a separation of vibrational relaxation within inherent structure basins from that due to inter-basin transitions becomes valid at temperatures T

Suggested Citation

  • Sastry, Srikanth & Debenedetti, Pablo G. & Stillinger, Frank H. & Schrøder, Thomas B. & Dyre, Jeppe C. & Glotzer, Sharon C., 1999. "Potential energy landscape signatures of slow dynamics in glass forming liquids," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 270(1), pages 301-308.
    • Handle: RePEc:eee:phsmap:v:270:y:1999:i:1:p:301-308
    DOI: 10.1016/S0378-4371(99)00259-9
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    Cited by:

    1. C.N., Sachin & Joy, Ashwin, 2023. "Configurational entropy of self-propelled glass formers," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 626(C).

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