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DTSTAMP:20190824T042654Z
LAST-MODIFIED:20170815T205644Z
DTSTART:20170911T170000Z
DTEND:20170911T180000Z
UID:event1798@bu.edu
URL:http://physics.bu.edu/events/show/1798
SUMMARY:COUPLED WIRE CONSTRUCTION OF NON-ABELIAN CHIRAL SPIN LIQUIDS
DESCRIPTION:Featuring Po-Hao Huang\n\nPart of the PhD Final Oral Exams.\n\n
Dissertation Committee: Claudio Chamon\, Andrei Ruckenstein\, Anatoli Polk
ovnikov\, Emanuel Katz\, Michael El-Batanouny\n\nAbstract:\n\nTopologically
ordered states of matter have attracted much interest in the past decade.\
nThe search for emergent point-like non-Abelian anyons electronic systems i
s one of the\nmost exciting problems in condensed matter physics\, since it
opens many possibilities for\ntopological quantum computing. In this talk\
, I will construct two-dimensional non-Abelian\ntopologically ordered state
s by strongly coupling arrays of one-dimensional quantum wires\nvia interac
tions. In our scheme\, all charge degrees of freedom are gapped\, so the co
n-\nstruction can use either quantum wires or quantum spin chains as buildi
ng blocks\, with\nthe same end result. Hence\, the resulting non-Abelian sp
in liquid states have vanishing\nquantum Hall conductivities\, but nonzero
thermal ones. The construction gaps the degrees\nof freedom in the bulk\, w
hile leaving decoupled states at the edges that are described by\nconformal
eld theories (CFT) in (1 + 1)-dimensional space and time. We prescribe\, i
n\nparticular\, how to arrive at all the edge states described by the unita
ry CFT minimal\nmodels with central charges c < 1.
LOCATION:SCI TBA\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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