Dirac electron in graphene with magnetic fields arising from first-order intertwining operators

M Castillo-Celeita - Journal of Physics A: Mathematical and …, 2020 - iopscience.iop.org
The behavior of a Dirac electron in graphene, under magnetic fields which are orthogonal to
the layer, is studied. The initial problem is reduced to an equivalent one, wherein two one …

Dirac electron in graphene under supersymmetry generated magnetic fields

B Midya, DJ Fernández - Journal of Physics A: Mathematical and …, 2014 - iopscience.iop.org
We use supersymmetry transformations to obtain new one parameter families of
inhomogeneous magnetic fields $\boldsymbol {B}=\widetilde {\mathcal {B}}(x,\lambda)\hat …

Graphene coherent states

E Díaz-Bautista, DJ Fernandez - The European Physical Journal Plus, 2017 - Springer
In this paper we will construct the coherent states for a Dirac electron in graphene placed in
a constant homogeneous magnetic field which is orthogonal to the graphene surface. First of …

Graphene Dirac fermions in symmetric electric and magnetic fields: the case of an electric square well

İB Ateş, Ş Kuru, J Negro - Physica Scripta, 2022 - iopscience.iop.org
In this paper, a simple method is proposed to get analytical solutions (or with the help of a
few numerical calculations) of the Dirac-Weyl equation for low energy electrons in graphene …

Bilayer graphene coherent states

DJ Fernández, DI Martínez-Moreno - The European Physical Journal Plus, 2020 - Springer
In this paper, we consider the interaction of electrons in bilayer graphene with a constant
homogeneous magnetic field which is orthogonal to the bilayer surface. Departing from the …

Reflectionless pseudospin-1 Dirac systems via Darboux transformation and flat band solutions

V Jakubský, K Zelaya - Physica Scripta, 2024 - iopscience.iop.org
This manuscript explores the Darboux transformation employed in the construction of exactly
solvable models for pseudospin-one particles described by the Dirac-type equation. We …

Spherical fullerene molecules under the influence of electric and magnetic fields

DN Le, AL Phan, VH Le, P Roy - Physica E: Low-dimensional Systems and …, 2019 - Elsevier
In this paper we study Dirac-Weyl equation on a sphere under the influence of electric and
magnetic fields. We have considered some electric and magnetic field profiles and bound …

Confinement of Dirac electrons in graphene magnetic quantum dots

Ş Kuru, J Negro, L Sourrouille - Journal of Physics: Condensed …, 2018 - iopscience.iop.org
We characterize the confinement of massless Dirac electrons under axially symmetric
magnetic fields in graphene, including zero energy modes and higher energy levels. In …

Electronic spectrum of spherical fullerene molecules in the presence of generalized magnetic fields

AL Phan, DN Le, VH Le, P Roy - The European Physical Journal Plus, 2020 - Springer
We consider a spherical fullerene molecule under magnetic fields perpendicular to the
surface. The aim is to find out the general forms of magnetic field profiles for which the exact …

Pseudo-Hermitian Dirac operator on the torus for massless fermions under the action of external fields

Ö Yeşiltaş, J Furtado - International Journal of Modern Physics A, 2022 - World Scientific
The Dirac equation in (2+ 1) dimensions on the toroidal surface is studied for a massless
fermion particle under the action of external fields. Using the covariant approach based on …