2018
DOI: 10.1002/andp.201800112
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A Curved Noninteracting 2D Electron Gas with Anisotropic Mass

Abstract: In the da Costa's thin-layer approach, a quantum particle moving in a 3D sample is confined on a curved thin interface. At the end, the interface effects are ignored and such quantum particle is localized on a curved surface. A geometric potential arises and, since it manifests due to this confinement procedure, it depends on the transverse to the surface mass component. This inspired us to consider, in this paper, the effects due to an anisotropic effective mass on a non-interacting two dimensional electron g… Show more

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Cited by 11 publications
(5 citation statements)
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“…We emphasize that the 3D Minkowski geometry is suggested by the unusual dispersion relation characteristic of hyperbolic metamaterials, which makes possible a description in terms of an effective geometry as an alternative to the conventional concept of an effective mass as recently done in Ref. 10 , where the background geometry is still Euclidean.…”
Section: Introductionmentioning
confidence: 86%
“…We emphasize that the 3D Minkowski geometry is suggested by the unusual dispersion relation characteristic of hyperbolic metamaterials, which makes possible a description in terms of an effective geometry as an alternative to the conventional concept of an effective mass as recently done in Ref. 10 , where the background geometry is still Euclidean.…”
Section: Introductionmentioning
confidence: 86%
“…Consider the case that S is the Euclidean plane. Then the Hamiltonian (3) reduces to (21), and in the position representation the time-independent Schrödinger equation reads…”
Section: Scattering By Parallel Line Defects In a Planementioning
confidence: 99%
“…The study of physical systems described by the Hamiltonian operator (2) have been a focus of attention for decades [11,15,16,17,18]. The generalizations of this Hamiltonian to particles interacting with electromagnetic fields, spin 1/2 particles, particles with position-dependent and anisotropic effective masses, and thin layers with small but finite thickness have been considered in [7,19,20,21,22,23].…”
Section: Introductionmentioning
confidence: 99%
“…( 7) depends on the position-dependence of the effective mass function m * . In general, the effective mass may be anisotropic, as a result of a non-symmetric energy band [34,35]. In Ref.…”
Section: Introductionmentioning
confidence: 99%