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SUMMARY:Fluctuations\, correlations\, and stability in disordered athermal
  packings - Dr Roshan Kumar Maharana
DTSTART:20251126T143000Z
DTEND:20251126T153000Z
UID:TALK232081@talks.cam.ac.uk
CONTACT:Lisa Masters
DESCRIPTION:In this talk\, I will discuss theoretical as well as numerical
  results related to correlations\, fluctuations\, and stability in atherma
 l systems. I will focus on jammed near-crystalline packings composed of fr
 ictionless particles interacting through short-ranged Harmonic as well as 
 long-ranged Lennard-Jones interactions in both two and three dimensions. I
  will describe exact results related to position and force fluctuations as
  well as correlations in local stresses induced by microscopic disorder in
  such near-crystalline systems. I will also characterize the stability of 
 these systems through their vibrational density of states\, as well as the
  distribution of first contact breaking events when subjected to strain. F
 inally\, I will present a universal characterization of stress correlation
 s in such systems\, spanning an entire range of disorder from crystalline 
 to fully amorphous packings.
LOCATION:Unilever Lecture Theatre\, Yusuf Hamied Department of Chemistry
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