Revisiting the adiabatic approximation for bound states calculation in axisymmetric and asymmetrical quantum structures

JA Vinasco, A Radu, A Tiutiunnyk, RL Restrepo… - Superlattices and …, 2020 - Elsevier
The Schrödinger equation in the effective mass approximation is commonly used to
calculate the electronic states confined in low-dimensional semiconductor structures. Three …

Method of adiabatic modes in studying problems of smoothly irregular open waveguide structures

LA Sevastianov, AA Egorov, AL Sevastyanov - Physics of Atomic Nuclei, 2013 - Springer
Basic steps in developing an original method of adiabatic modes that makes it possible to
solve the direct and inverse problems of simulating and designing three-dimensional …

POTHEA: A program for computing eigenvalues and eigenfunctions and their first derivatives with respect to the parameter of the parametric self-adjoined 2D elliptic …

AA Gusev, O Chuluunbaatar, SI Vinitsky… - Computer Physics …, 2014 - Elsevier
A FORTRAN 77 program is presented for calculating with the given accuracy eigenvalues,
surface eigenfunctions and their first derivatives with respect to a parameter of the …

Analytical and numerical calculations of spectral and optical characteristics of spheroidal quantum dots

AA Gusev, LL Hai, SI Vinitsky, O Chuluunbaatar… - Physics of Atomic …, 2013 - Springer
In the effective mass approximation for electronic (hole) states of a spheroidal quantum dot
with and without external fields the perturbation theory schemes are constructed in the …

Spectral and optical characteristics of spheroidal quantum dots

AA Gusev, O Chuluunbaatar, LL Hai… - Journal of Physics …, 2012 - iopscience.iop.org
In the framework of effective mass approximation and in strong size quantization regime the
absorption coefficients for ensembles of spheroidal quantum dots (SQDs) are analyzed …

The algorithms of the numerical solution to the parametric two-dimensional boundary-value problem and calculation derivative of solution with respect to the …

AA Gusev - Discrete and Continuous Models and Applied …, 2013 - cyberleninka.ru
The effective and stable algorithms for numerical solution with the given accuracy of the
parametrical two-dimensional (2D) boundary value problem (BVP) are presented. This BVP …

Crossing Points in Spectra and Light Absorption in Spheroidal and Cone-Shaped Quantum Dots

VL Derbov, AA Gusev, O Chuluunbaatar, LL Hai… - Optics and Its …, 2022 - Springer
We briefly review the analysis of the energy spectrum, the envelope eigenfunctions of
electron, hole and exciton states, and the direct interband light absorption in cone-shaped …

Discontinuity of dipole-moment matrix elements in ellipsoidally shaped nanoparticles and profiles of spectral lines

T Kereselidze, T Tchelidze, A Devdariani - Opto-Electronics Review, 2018 - Elsevier
The behaviour of energy levels and optical spectra of a charged particle (electron or hole)
confined within a potential well of ellipsoidal shape is investigated as a function of the shape …

General theory of electronic states in QD with small non-sphericity

ZH Grigoryan, EM Kazaryan, LS Petrosyan - Physica E: Low-dimensional …, 2014 - Elsevier
A new approach has been developed for the electronic states of quantum dots (QD) with a
small non-sphericity, when the external form of the QD, potentials inside and outside the QD …

Calculations of spectral and optical characteristics of spheroidal quantum dot ensembles

VL Derbov, AS Klombotskaya… - … Fall Meeting 2012 …, 2013 - spiedigitallibrary.org
In the effective mass approximation for electron (hole) states of a spheroidal quantum dot
with and without external fields the perturbation theory schemes are constructed in the …