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BEGIN:VEVENT
UID:1-28@lptms.universite-paris-saclay.fr
DTSTART:20120308T140000Z
DTEND:20120308T140000Z
DTSTAMP:20120223T145725Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/seminaire-commun-
 lpt-lptms-masaharu-isobe/
SUMMARY:Séminaire commun LPT-LPTMS : Masaharu Isobe - LPT\, Salle 114\, b
 ât. 210 - 8 Mar 12 14:00
DESCRIPTION:Higher Order Parameters for Establishing Transient Crystals\nMa
 saharu Isobe\, Nagoya Institute of Technology\nThe long slow decaying pote
 ntial part of the stress autocorrelation function has been called the “m
 olasses tail” to distinguish it from the hydrodynamic origin of the long
  time tail in the velocity autocorrelation functions and to emphasize its 
 relation to highly viscous glassy state. We are investigating the molasses
  tail in dense hard core fluids by using extensive Event-Driven MD simulat
 ion through the orientational autocorrelation functions[1\, 2]. Near the f
 luid-solid phase transition\, there exist three regimes in the relaxation 
 of the pair orientational autocorrelation function\, namely the kinetic\, 
 molasses(stretched exponential)\, and diffusional power decay. The most st
 riking observation through the bond orientatinal order parameter is the dr
 amatic increase of the transient nuclei cluster size near the freezing den
 sity[2]. We are now improving the alternative general methods based on the
  autocorrelation functions of higher order parameters even for quadruplet 
 contributions (i.e. 8 point-correlation) to establish the transient nuclei
 \, which are composed of a few hundred hard particles in dense liquid syst
 em [3].\n\n[1] M. Isobe and B. J. Alder\, Mol. Phys. 107\, 609 (2009).\n[2
 ] M. Isobe and B. J. Alder\, Prog. Theor. Phys. Suppl. 184\, 437 (2010).\n
 [3] M. Isobe and B. J. Alder\, in preparation.\n
CATEGORIES:seminars
LOCATION:LPT\, Salle 114\, bât. 210\, 15 Rue Georges Clemenceau\, Orsay\, 
 France
GEO:48.6981864;2.1817680000000337
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=15 Rue Georges Clemenceau\,
  Orsay\, France;X-APPLE-RADIUS=100;X-TITLE=LPT\, Salle 114\, bât. 210:geo
 :48.6981864,2.1817680000000337
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