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BEGIN:VEVENT
DTSTAMP:20260911T130709Z
LAST-MODIFIED:20180220T181233Z
DTSTART:20180226T160000Z
DTEND:20180226T170000Z
UID:event1897@bu.edu
URL:http://physics.bu.edu/internal/events/show/1897
SUMMARY:"Physics of spin-orbit coupled wires in magnetic field: Majorana mo
	des and Lifshitz transitions"
DESCRIPTION:Featuring Jay Sau\, University of Maryland\nHosted by: Anushya 
	Chandran\n\nPart of the Condensed Matter Theory Seminar Series.\n\nThe comb
	ination of spin-orbit coupling and magnetic field produces an interesting b
	andstructure with a co-existing Dirac point and Fermi points. In the first 
	part of my talk I will review how  proximity-induced superconductivity is e
	xpected to realize Majorana zero modes. I will discuss theoretical understa
	nding of the results from the experimental search for Majorana zero modes i
	n spin-orbit coupled semiconductor-based topological superconducting system
	s. I will conclude this part discussing the possibility of interferometric 
	detection of topological superconducivity. \nIn the second part we discuss 
	strongly interacting Bosons subject to the same Hamiltonian\, which would b
	e the Tonks gas version of the spin-orbit coupled gases realized in experim
	ents. We use the effective Lagrangian formalism for classifying non-relativ
	istic Nambu-Goldstone modes due to derive the existance of an Ising transit
	ion between two gapless phases that can be thought of as a superfluid minim
	ally coupled to an Ising gauge field. This coupling between the Ising model
	 and the superfluid turns out to modify the dynamical critical exponent fro
	m Lorentz-like (z~1) to Lifshitz-like (z~2). We find these predictions to b
	e consistent with DMRG simulations.
LOCATION:SCI 328\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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