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METHOD:PUBLISH
BEGIN:VEVENT
DTSTAMP:20260816T061940Z
LAST-MODIFIED:20160829T185717Z
DTSTART:20160912T190000Z
DTEND:20160912T200000Z
UID:event1629@bu.edu
URL:http://physics.bu.edu/internal/events/show/1629
SUMMARY:Fermionic approach to junctions of multiple quantum wires
DESCRIPTION:Featuring Zheng Shi\n\nPart of the Condensed Matter Theory Semi
	nar Series.\n\nInteracting quantum wires display exotic properties in junct
	ions\nthey form due to their one-dimensional Tomonaga-Luttinger liquid natu
	re.\nThese junctions have been theoretically analyzed by two complementary\
	nmethods\, namely bosonization and fermionic perturbation theory. In this\n
	talk\, I will discuss a general fermionic approach to junctions of quantum\
	nwires\, based on perturbation theory in interaction and renormalization of
	\nthe scattering S-matrix\, and carefully apply it to the case of infinite\
	ninteracting leads whose effects were often ignored before. Our predictions
	\non linear DC conductance and impurity entropy of the junction are in\nagr
	eement with bosonization and early density matrix renormalization group\nre
	sults.
LOCATION:SCI 328\, 590 Commonwealth Avenue\, 02215
STATUS:TENTATIVE
CLASS:PUBLIC
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