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SUMMARY:Analytical descriptions of atomic-scale surface dynamics - Peter T
 ownsend\, SMF Surface Group\, Cavendish Laboratory
DTSTART:20181108T160000Z
DTEND:20181108T170000Z
UID:TALK106708@talks.cam.ac.uk
CONTACT:Stephen Walley
DESCRIPTION:The dynamical behaviour of atoms and molecules adsorbed on sol
 id surfaces is a rich topic relevant to a wide range of chemical and physi
 cal applications. Adsorbate motion can be characterized in great detail us
 ing helium atom scattering methods\, which are sensitive to dynamics at su
 b-nano length scales and time scales simultaneously. Analytical results fo
 r dynamical correlation functions in model systems are critical for interp
 reting scattering experiments. I will discuss established methods and resu
 lts for the intermediate scattering function\, and extensions to treat qua
 ntum Brownian dynamics\, coherent band transport\, and coupled vibrations 
 and hops in a periodic potential.
LOCATION:Mott Seminar Room\, Cavendish Laboratory
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