Spin–orbit and zeeman effects on the electronic properties of single quantum rings: Applied magnetic field and topological defects

JC León-González, RG Toscano-Negrette, AL Morales… - Nanomaterials, 2023 - mdpi.com
Within the framework of effective mass theory, we investigate the effects of spin–orbit
interaction (SOI) and Zeeman splitting on the electronic properties of an electron confined in …

Computational Chemistry Strategies to Investigate the Antioxidant Activity of Flavonoids—An Overview

Y Wang, C Li, Z Li, M Moalin, GJM Hartog, M Zhang - Molecules, 2024 - mdpi.com
Despite several decades of research, the beneficial effect of flavonoids on health is still
enigmatic. Here, we focus on the antioxidant effect of flavonoids, which is elementary to their …

Electron localization and optical absorption of polygonal quantum rings

A Sitek, L Serra, V Gudmundsson, A Manolescu - Physical Review B, 2015 - APS
We investigate theoretically polygonal quantum rings and focus mostly on the triangular
geometry where the corner effects are maximal. Such rings can be seen as short core-shell …

Mapping confinement potentials and charge densities of interacting quantum systems using conditional generative adversarial networks

CA Pantis-Simut, AT Preda, L Ion… - Machine Learning …, 2023 - iopscience.iop.org
Accurate and efficient tools for calculating the ground state properties of interacting quantum
systems are essential in the design of nanoelectronic devices. The exact diagonalization …

Conductance features of core-shell nanowires determined by their internal geometry

M Urbaneja Torres, A Sitek, SI Erlingsson… - Physical Review B, 2018 - APS
We consider electrons in tubular nanowires with prismatic geometry and infinite length. Such
a model corresponds to a core-shell nanowire with an insulating core and a conductive …

Multi-domain electromagnetic absorption of triangular quantum rings

A Sitek, G Thorgilsson, V Gudmundsson… - …, 2016 - iopscience.iop.org
We present a theoretical study of the unielectronic energy spectra, electron localization, and
optical absorption of triangular core–shell quantum rings. We show how these properties …

Second and third harmonic generations of a quantum ring with Rashba and Dresselhaus spin-orbit couplings: Temperature and Zeeman effects

A Zamani, T Azargoshasb, E Niknam - Physica B: Condensed Matter, 2017 - Elsevier
In current article, the Zeeman effect is considered in the presence of simultaneous Rashba
and Dresselhaus spin-orbit interactions (SOI) and under such circumstances the second and …

Spin polarization in the Hubbard model with Rashba spin-orbit coupling on a ladder

JA Riera - Physical Review B—Condensed Matter and Materials …, 2013 - APS
The competition between on-site Coulomb repulsion and Rashba spin-orbit coupling
(RSOC) is studied on two-leg ladders by numerical techniques. By studying persistent …

Excitons in core–shell nanowires with polygonal cross sections

A Sitek, M Urbaneja Torres, K Torfason… - Nano Letters, 2018 - ACS Publications
The distinctive prismatic geometry of semiconductor core–shell nanowires leads to complex
localization patterns of carriers. Here, we describe the formation of optically active in-gap …

Investigation of bi-particle states in gate-array-controlled quantum-dot systems aided by machine learning techniques

GA Nemnes, TL Mitran, AT Preda, I Ghiu… - Physica …, 2022 - iopscience.iop.org
Quantum computing architectures require an accurate and efficient description in terms of
many-electron states. Recent implementations include quantum dot arrays, where the …