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VERSION:2.0
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CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
DTSTAMP:20260813T215928Z
LAST-MODIFIED:20121116T203436Z
DTSTART:20111026T150000Z
DTEND:20111026T160000Z
UID:event227@bu.edu
URL:http://physics.bu.edu/internal/events/show/227
SUMMARY:Who's Who of Subdiffusive Models
DESCRIPTION:Featuring Jasmine Meroz\, Tel Aviv University\n\nPart of the Co
	ndensed Matter Theory Seminar Series.\n\nAbstract:\nWe consider the widespr
	ead phenomenon of anomalous diffusion\, where themean squared displacement 
	grows sublinearly with time. We present three main models\,namely  the cont
	inuous time random walk\, a random walk on a fractal structure and fraction
	albrownian motion. Each of these models describe different physical realiti
	es\, such as molecular crowding\, energytraps or an elastic environment. Th
	erefore given measurements from a particular experimental setup\,determinin
	g the correct underlying model will shed light on the physics of the system
	 under investigation.We aim to provide a toolbox for discerning between the
	se basic models\, taking into consideration thelimitations of single trajec
	tories. Many of the realistic systems at hand call for the possibility of s
	ynergy of the mentioned physicalmechanisms\, offering a playground for rand
	om walk modelling. We discuss such possible synergies\,especially from the 
	ergodic point of view. Lastly we discuss a subtle point in the understandin
	g of transport properties\, refuting the commonlore that perfect knowledge 
	of the probability distribution function (PDF) completely determines the un
	derlyingmodel. We show this by revisiting two well known and exactly solvab
	le models who share the same PDF but differ with any other respect.
LOCATION:SCI 328\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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