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BEGIN:VEVENT
DTSTAMP:20260727T174547Z
LAST-MODIFIED:20121116T203436Z
DTSTART:20091216T180000Z
DTEND:20091216T190000Z
UID:event562@bu.edu
URL:http://physics.bu.edu/internal/events/show/562
SUMMARY:The Physics of Molecular Motors 
DESCRIPTION:Featuring Fabio Marchesoni\, Dipartimento di Fisica\, Universit
	a' di Camerino\, Italy \n\nPart of the Condensed Matter Theory Seminar Seri
	es.\n\nAbstract: Our physical intuition\, based on everyday observation of 
	large machines\, fails when we consider the world of the small. It is a cap
	ricious world\, ruled by thermal and quantum fluctuations. This applies in 
	particular to the molecular machinery of the cell: How effectively it works
	 against the II Law of Thermodynamics has kept puzzling statistical physici
	sts for decades.\n\nWe discuss how thermal Brownian motion coupled to an un
	biased non-equilibrium environment can be used to control the operation of 
	biological and artificial systems characterized by spatial or dynamical sym
	metry breaking at the micro- or even on the nano-scale. This mechanism is k
	nown in the physics literature as Brownian motor or noise rectification. Th
	e constructive role of Brownian motion is exemplified for the case of noise
	-induced transport in one-dimensional channels. We present the working prin
	ciples and characteristics of the most common stylized Brownian motors. Suc
	h devices can be experimentally implemented to optimize and selectively con
	trol a rich variety of directed transport behaviors.
LOCATION: \, \, 
STATUS:CANCELLED
CLASS:PUBLIC
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