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BEGIN:VEVENT
DTSTAMP:20260828T010504Z
LAST-MODIFIED:20121116T203436Z
DTSTART:20110225T170000Z
DTEND:20110225T180000Z
UID:event757@bu.edu
URL:http://physics.bu.edu/internal/events/show/757
SUMMARY:Dielectric effects in self-assembly of binary colloid mixtures
DESCRIPTION:Featuring Kipton Barros\, Los Alamos National Lab\nHosted by: W
	illiam Klein\n\nPart of the Biophysics/Condensed Matter Seminar Series.\n\n
	Abstract:\nElectrostatic interactions are often relevant to the self-assemb
	ly of colloids. In such systems\, dielectric effects yield complicated mult
	i-body interactions via polarization charge induced at the colloid surfaces
	. These interactions are difficult to quantify and have been ignored in pre
	vious simulations of colloids with implicit solvent. I will review the phys
	ics of dielectrics and present an efficient numerical method to calculate e
	lectrostatic interactions in arbitrary dielectric geometry. Surprising coll
	ective behavior is observed in molecular dynamics simulations of weakly cha
	rged\, size asymmetric colloid mixtures: dielectric effects are found to in
	fluence crystallization and symmetry.
LOCATION:PRB 595\, 3 Cummington Mall\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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