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SUMMARY:Graphene and Boundary Conformal Field Theory
DTSTART;VALUE=DATE-TIME:20191218T133000Z
DTEND;VALUE=DATE-TIME:20191218T143000Z
DTSTAMP;VALUE=DATE-TIME:20200218T062311Z
UID:indico-event-23762@cern.ch
DESCRIPTION:The infrared fixed point of graphene under the renormalization
group flow is a relatively under studied yet important example of a bound
ary conformal field theory with a number of remarkable properties. It has
a close relationship with three dimensional QED. It maps to itself under
electric-magnetic duality. Moreover\, it along with its supersymmetric
cousins all possess an exactly marginal coupling -- the charge of the elec
tron. I will review past work on this model and also discuss my own contr
ibutions which have focused on understanding the boundary contributions to
the anomalous trace of the stress tensor and their role in helping to und
erstand the structure of boundary conformal field theory. If there is tim
e\, I hope to present some exciting new results on the hemisphere partitio
n function for supergraphene\, its duality properties\, and an exact compu
tation of the conductivity at arbitrary values of the interaction strength
.\n\nhttps://indico.desy.de/indico/event/23762/
LOCATION:DESY Hamburg build. 2a\, SR2
URL:https://indico.desy.de/indico/event/23762/
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