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BEGIN:VEVENT
DTSTAMP:20261026T000939Z
LAST-MODIFIED:20210108T154443Z
DTSTART:20210111T160000Z
DTEND:20210111T170000Z
UID:event2393@bu.edu
URL:http://physics.bu.edu/internal/events/show/2393
SUMMARY:Beyond Ohm's law -- Bernoulli effect and streaming in electron hydr
	odynamics
DESCRIPTION:Featuring Aaron Hui \, Cornell\n\nPart of the Biophysics/Conden
	sed Matter Seminar Series.\n\nRecent observations of non-local transport in
	 ultraclean 2D materials raised the tantalizing possibility of accessing hy
	drodynamic correlated transport of a many-electron state. However\, it has 
	been pointed out that non-local transport can also arise from impurity scat
	tering rather than interaction. At the crux of the ambiguity is the focus o
	n linear effects\, i.e. Ohm's law\, which cannot easily differentiate among
	 different modes of transport. Here we propose experiments that can reveal 
	rich hydrodynamic features in the system by tapping into the non-linearity 
	of the Navier-Stokes equation. Three experiments we propose will each manif
	est a unique phenomenon well-known in classical fluids: the Bernoulli effec
	t\, Eckart streaming\, and Rayleigh streaming. Analysis of known parameters
	 confirms that the proposed experiments are feasible and the hydrodynamic s
	ignatures are within reach of graphene-based devices. Experimental realizat
	ion of any one of the three phenomena will provide a stepping stone to form
	ulating and exploring the notions of nonlinear electron fluid dynamics with
	 an eye to celebrated examples from classical non-laminar flows\, e.g. patt
	ern formation and turbulence.\n\nJoin on Zoom: https://bostonu.zoom.us/j/92
	475298654?pwd=anpJMDFST0w2TEJvMThHNTA0VHJSQT09
LOCATION: \, \, 
STATUS:CONFIRMED
CLASS:PUBLIC
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