Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session T70: Poster Session III(1:00pm-4:00pm)
1:00 PM,
Thursday, March 7, 2019
BCEC
Room: Exhibit Hall
Abstract: T70.00346 : Principal transport properties of α-T3 model in the presence of external irradiation.
Presenter:
Dipendra Dahal
(CUNY Graduate Center)
Authors:
Dipendra Dahal
(CUNY Graduate Center)
Godfrey Gumbs
(Physics and Astronomy, Hunter college, CUNY)
Andrii Iurov
(Physics, University of New Mexico)
Danhong Huang
(Physics, University of New Mexico)
equation, we have obtained the transport properties of pseudospin-1 electrons in the α-T3 lattice
irradiated by external light with linear or circular polarization. Basic transport properties of such
dressed states significantly depend on their low-energy band structure and the corresponding wave
functions. These electronic states are mainly determined by the polarization of the incident dressing
field. For instance, circularly-polarized radiation leads to opening an energy gap, which could
substantially suppress the conductivity. Electron transport also shows dependence on the coupling
strength parameter α of an α-T3 lattice, which has also been thoroughly investigated.
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