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UID:20260930T120911EDT-8340LkKkFM@132.216.98.100
DTSTAMP:20260930T160911Z
DESCRIPTION:Title: STRUCTURE AND DYNAMICS WITH ULTRAFAST ELECTRON MICROSCOP
 ES … or how to make atomic-level movies of fundamental processes in molecu
 les and materials.\n\nAbstract: In this talk I will describe how combining
  ultrafast lasers and electron microscopes in novel ways makes it possible
  to directly ‘watch’ the time-evolving structure of condensed matter and t
 he couplings between carrier and lattice degrees of freedom on the fastest
  timescales open to atomic motion [1-4]. By combining such measurements wi
 th complementary (and more conventional) spectroscopic probes we can now d
 evelop structure-property relationships for materials under even very far 
 from equilibrium conditions [2]. I will assume no familiarity with ultrafa
 st lasers or electron microscopes and highlight opportunities for theoreti
 cal/computational developments that support these experiments. Rigorous mo
 deling of the processes described is currently intractable.\n	[1] Morrison 
 et al Science 346 (2014) 445\n	[2] Otto et al\, PNAS\, 116 (2019) 450\n	[3] 
 Stern et al\, Phys. Rev. B 97 (2018) 165416\n	[4] Rene de Cotret et al\, Ph
 ys. Rev. B 100 (2019) 214115\n
DTSTART:20200214T183000Z
DTEND:20200214T193000Z
LOCATION:Room 1104\, Burnside Hall\, CA\, QC\, Montreal\, H3A 0B9\, 805 rue
  Sherbrooke Ouest
SUMMARY:Bradley Siwick (Chemistry and Physics\, McGill)
URL:https://www.mcgill.ca/mathstat/channels/event/bradley-siwick-chemistry-
 and-physics-mcgill-320374
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