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  • PhysRevB.90.155418

    Rights statement: ©2014 American Physical Society

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Degeneracy doubling and sublattice polarization in strain-induced pseudo-Landau levels

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Degeneracy doubling and sublattice polarization in strain-induced pseudo-Landau levels. / Poli, Charles; Arkinstall, Jake; Schomerus, Henning.

In: Physical review B, Vol. 90, No. 15, 155418, 15.10.2014.

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@article{c33e80eed35947a189cb371a69adc0cc,
title = "Degeneracy doubling and sublattice polarization in strain-induced pseudo-Landau levels",
abstract = "The degeneracy and spatial support of pseudo-Landau levels (pLLs) in strained honeycomb lattices systematically depends on the geometry; for instance, in hexagonal and rectangular flakes the zeroth pLL displays a twofold increased degeneracy, while the characteristic sublattice polarization of the zeroth pLL is only fully realized in a zigzag-terminated triangle. These features are dictated by algebraic constraints in the atomistic theory and signify a departure from the standard picture in which all qualitative differences between pLLs and Landau levels induced by a magnetic field trace back to the valley antisymmetry of the pseudomagnetic field.",
author = "Charles Poli and Jake Arkinstall and Henning Schomerus",
note = "{\textcopyright}2014 American Physical Society",
year = "2014",
month = oct,
day = "15",
doi = "10.1103/PhysRevB.90.155418",
language = "English",
volume = "90",
journal = "Physical Review B: Condensed Matter and Materials Physics",
issn = "1098-0121",
publisher = "AMER PHYSICAL SOC",
number = "15",

}

RIS

TY - JOUR

T1 - Degeneracy doubling and sublattice polarization in strain-induced pseudo-Landau levels

AU - Poli, Charles

AU - Arkinstall, Jake

AU - Schomerus, Henning

N1 - ©2014 American Physical Society

PY - 2014/10/15

Y1 - 2014/10/15

N2 - The degeneracy and spatial support of pseudo-Landau levels (pLLs) in strained honeycomb lattices systematically depends on the geometry; for instance, in hexagonal and rectangular flakes the zeroth pLL displays a twofold increased degeneracy, while the characteristic sublattice polarization of the zeroth pLL is only fully realized in a zigzag-terminated triangle. These features are dictated by algebraic constraints in the atomistic theory and signify a departure from the standard picture in which all qualitative differences between pLLs and Landau levels induced by a magnetic field trace back to the valley antisymmetry of the pseudomagnetic field.

AB - The degeneracy and spatial support of pseudo-Landau levels (pLLs) in strained honeycomb lattices systematically depends on the geometry; for instance, in hexagonal and rectangular flakes the zeroth pLL displays a twofold increased degeneracy, while the characteristic sublattice polarization of the zeroth pLL is only fully realized in a zigzag-terminated triangle. These features are dictated by algebraic constraints in the atomistic theory and signify a departure from the standard picture in which all qualitative differences between pLLs and Landau levels induced by a magnetic field trace back to the valley antisymmetry of the pseudomagnetic field.

U2 - 10.1103/PhysRevB.90.155418

DO - 10.1103/PhysRevB.90.155418

M3 - Journal article

VL - 90

JO - Physical Review B: Condensed Matter and Materials Physics

JF - Physical Review B: Condensed Matter and Materials Physics

SN - 1098-0121

IS - 15

M1 - 155418

ER -