Direct interband light absorption in the cylindrical quantum dot with modified Pöschl–Teller potential

DB Hayrapetyan, EM Kazaryan… - Physica E: Low …, 2012 - Elsevier
In this paper the direct interband light absorption in cylindrical quantum dot with modified
Pöschl–Teller potential made of GaAs is studied. For the regime of strong size quantization …

Spectral and transmission properties of periodic 1D tight-binding lattices with a generic unit cell: an analysis within the transfer matrix approach

K Lambropoulos, C Simserides - Journal of Physics …, 2018 - iopscience.iop.org
We report on the electronic structure, density of states and transmission properties of the
periodic one-dimensional tight-binding (TB) lattice with a single orbital per site and nearest …

[PDF][PDF] Exact solution of Klein-Gordon with the Pöschl-Teller double-ring-shaped Coulomb potential

H Hassanabadi, A Ikot, S Zarrinkamar - Acta Physica Polonica A, 2014 - bibliotekanauki.pl
Analytical solution of the Klein-Gordon equation under the equal scalar and vector Pöschl-
Teller double-ring-shaped Coulomb potentials is obtained. We have used the Nikiforov …

Controlled engineering of extended states in disordered systems

A Rodriguez, A Chakrabarti, RA Römer - Physical Review B—Condensed …, 2012 - APS
We describe how to engineer wave-function delocalization in disordered systems modeled
by tight-binding Hamiltonians in d> 1 dimensions. We show analytically that a simple …

Bound and scattering states of spinless particles under the generalized Pöschl–Teller potential

H Hassanabadi, BH Yazarloo - Indian Journal of Physics, 2013 - Springer
Bound and scattering states of spinless particles under the generalized Pöschl–Teller potential
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Electronic states in a cylindrical quantum dot with the modified Pöschl-Teller potential in the presence of external magnetic field

DB Hayrapetyan, AS Achoyan, EM Kazaryan… - Journal of Contemporary …, 2013 - Springer
Energy levels of an electron in a cylindrical quantum dot with a modified Pöschl-Teller
potential in the presence of external homogeneous magnetic field are studied. Analytical …

Complete absence of localization in a family of disordered lattices

B Pal, SK Maiti, A Chakrabarti - Europhysics Letters, 2013 - iopscience.iop.org
We present analytically exact results to show that certain quasi–one-dimensional lattices,
where the building blocks are arranged in a random fashion, can have an absolutely …

One-dimensional models of disordered quantum wires: general formalism

A Rodríguez - Journal of Physics A: Mathematical and General, 2006 - iopscience.iop.org
In this work we describe, compile and generalize a set of tools that can be used to analyse
the electronic properties (distribution of states, nature of states, etc) of one-dimensional …

Absolutely continuous energy bands in the electronic spectrum of quasiperiodic ladder networks

B Pal, A Chakrabarti - Physica E: Low-dimensional Systems and …, 2014 - Elsevier
The energy spectra of quasi-one-dimensional quasiperiodic ladder networks are analyzed
within a tight binding description. In particular, we show that if a selected set of sites in each …

Conductance properties of rough quantum wires with colored surface disorder

GB Akguc, J Gong - Physical Review B—Condensed Matter and Materials …, 2008 - APS
Effects of correlated disorder on wave localization have attracted considerable interest.
Motivated by the importance of studies of quantum transport in rough nanowires, here we …