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BEGIN:VEVENT
DTSTAMP:20260815T052653Z
LAST-MODIFIED:20121116T203436Z
DTSTART:20070216T170000Z
DTEND:20070216T180000Z
UID:event86@bu.edu
URL:http://physics.bu.edu/internal/events/show/86
SUMMARY:Boundary Field theory Approach to Superconducting Quantum Circuits
DESCRIPTION:Featuring P. Sodano\, University of Perugia\, Italy\n\nPart of 
	the Biophysics/Condensed Matter Seminar Series.\n\nIt will be shown that th
	e quantum properties of some Josephson devices may be described by a bounda
	ry sine Gordon model.  First\, I will analyse the regimes accessible to an 
	rf-SQUID and to a two-Josephson junction SQUID device (the dc-SQUID). Then\
	, I will compute the current-response of these circuits to an externally ap
	plied voltage showing that the equation describing the current-voltage char
	acteristic reduces to well-known results when the infrared cut-off is suita
	bly chosen. Our approach helps in establishing new and interesting connecti
	ons between superconducting devices\, quantum Brownian motion\, fermionic q
	uantum wires and\, more generally\, quantum impurity problems.
LOCATION:SCI 352\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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