Title
Comment on "Creating in-plane pseudomagnetic fields in excess of 1000 T by misoriented stacking in a graphene bilayer" Comment on "Creating in-plane pseudomagnetic fields in excess of 1000 T by misoriented stacking in a graphene bilayer"
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
College pk :Amer physical soc ,
Subject
Physics
Source (journal)
PHYSICAL REVIEW B
Volume/pages
93(2016) :24 , 3 p.
ISSN
2469-9950
Article Reference
247401
ISI
000377802200009
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
In a recent paper [Phys. Rev. B 89, 125418 (2014)], the authors argue that it is possible to map the electronic properties of twisted bilayer graphene to those of bilayer graphene in an in-plane magnetic field. However, their description of the low-energy dynamics of twisted bilayer graphene is restricted to the extended zone scheme and therefore neglects the effects of the superperiodic structure. If the energy spectrum is studied in the supercell Brillouin zone, we find that the comparison with an in-plane magnetic field fails because (i) the energy spectra of the two situations exhibit different symmetries and (ii) the low-energy spectra are very different.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/690b21/134601.pdf
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