Signatures of Majorana fermions in an elliptical quantum ring

A Ghazaryan, A Manaselyan, T Chakraborty - Physical Review B, 2016 - APS
We have investigated the signatures of zero-energy Majorana fermions in an anisotropic
semiconductor quantum ring that contains a few electrons, has a strong spin-orbit …

Angular momentum dynamics in DMS quantum rings driven by Dresselhaus spin–orbit and s− d exchange interactions

JM Lia, PI Tamborenea - Physica E: Low-dimensional Systems and …, 2024 - Elsevier
We study the quantum dynamics of an electron subject to the Dresselhaus spin–orbit
interaction (SOI) and few magnetic impurities confined in a narrow semiconductor quantum …

Electronic properties study of Mn-doped III-V semiconductor quantum dots with cylindrical symmetry

A Hamrita, R Neffati - Physica B: Condensed Matter, 2024 - Elsevier
We present a detailed study of electronic structure of diluted magnetic semiconductor
quantum dot. A numerical analysis was carried out for InAs/GaAs doped with manganese …

External electric field effect on the binding energy of a hydrogenic donor impurity in InGaAsP/InP concentric double quantum rings

M Hu, H Wang, Q Gong, S Wang - International Journal of Modern …, 2018 - World Scientific
Within the framework of effective-mass envelope-function theory, the ground state binding
energy of a hydrogenic donor impurity is calculated in the InGaAsP/InP concentric double …

Irregular Aharonov–Bohm effect for interacting electrons in a ZnO quantum ring

T Chakraborty, A Manaselyan… - Journal of Physics …, 2016 - iopscience.iop.org
The electronic states and optical transitions of a ZnO quantum ring containing few interacting
electrons in an applied magnetic field are found to be very different from those in a …

Impurity states with the effect of bound magnetic polaron in semimagnetic quantum ring

P Kalpana, K Jayakumar - AIP Conference Proceedings, 2020 - pubs.aip.org
The present work focuses the binding energy of the donor impurity confined inside a
semimagnetic Quantum Ring (QR) made up of CdTe/Cd1-xMnxTe. The calculation has been …

Impurity-related intraband absorption in coupled quantum dot-ring structure under lateral electric field

MG Barseghyan, HM Baghramyan, D Laroze… - Physica E: Low …, 2015 - Elsevier
The effects of a lateral electric field on intraband absorption in GaAs/GaAlAs two-
dimensional coupled quantum dot-ring structure with an on-center hydrogenic donor …

Electronic, magnetic and optical properties of quantum rings in novel systems

T Chakraborty, AK Manaselyan… - Physics of Quantum …, 2018 - Springer
In the past few decades, major advances in nanofabrication techniques have resulted in the
creation of tunable few-electron nanoscale quantum rings with unique topology and the …

Effect of electric and magnetic field on impurity binding energy in InGaAsP/InP quantum ring

M Hu, H Wang, Q Gong, S Wang - Modern Physics Letters B, 2019 - World Scientific
The ground state binding energy of hydrogenic donor impurity is calculated using the plane
wave basis method in InGaAsP/InP quantum ring under applied electric and magnetic fields …

Electronic Properties Study of Mn-Doped Iii-V Semiconductor Quantum Dots with Cylindrical Symmetry

R NEFFATI, A Hamrita - Available at SSRN 4820657 - papers.ssrn.com
We present a detailed study of electronic structure of a diluted magnetic semiconductor
quantum dot. A numerical analysis was carried out for InAs/GaAs doped with manganese …