Electron-phonon coupling induced topological phase transition in an Haldane-Holstein model

M Islam, K Bhattacharyya, S Basu - Physical Review B, 2024 - APS
We present impelling evidence of topological phase transitions induced by electron-phonon
(e-ph) coupling in an α-T 3 Haldane-Holstein model that facilitates smooth tunability …

[图书][B] Polarons and bipolarons: an introduction

A Chatterjee, S Mukhopadhyay - 2018 - taylorfrancis.com
This book provides a comprehensive review of the subject of polaron and a thorough
account of the sophisticated theories of the polaron. It explains the concept of the polaron …

Magnetic field effect on the energy levels of an exciton in a GaAs quantum dot: Application for excitonic lasers

KL Jahan, A Boda, IV Shankar, CN Raju… - Scientific reports, 2018 - nature.com
The problem of an exciton trapped in a Gaussian quantum dot (QD) of GaAs is studied in
both two and three dimensions in the presence of an external magnetic field using the Ritz …

The ground and the first excited states of an electron in a multidimensional polar semiconductor quantum dot: an all-coupling variational approach

S Mukhopadhyay, A Chatterjee - Journal of Physics: Condensed …, 1999 - iopscience.iop.org
A variational calculation is performed to obtain the polaronic corrections to the ground and
the first-excited-state energies of an electron in a parabolic quantum dot of a polar …

Two-electron singlet states in semiconductor quantum dots with Gaussian confinement: a single-parameter variational calculation

B Boyacioglu, M Saglam… - Journal of Physics …, 2007 - iopscience.iop.org
The problem of two electrons in a three-dimensional quantum dot with Gaussian
confinement is investigated for the singlet pairing by a variational method with a very simple …

Polaronic enhancement in the ground-state energy of an electron bound to a Coulomb impurity in a parabolic quantum dot

S Mukhopadhyay, A Chatterjee - Physical Review B, 1997 - APS
Abstract Using the Feynman-Haken variational path-integral formalism we obtain the
polaronic correction to the ground-state energy of an electron bound to a positive Coulomb …

Hydrogenic impurity bound polaron in a cylindrical quantum dot in an electric field

AL Vartanian, LA Vardanyan, EM Kazaryan - Physics Letters A, 2007 - Elsevier
The influence of electric field on the ground-state energy of a polaron, bound to a
hydrogenic impurity in a cylindrical quantum dot is investigated. The results illustrate the …

Ground state properties of a two-electron system in a three-dimensional GaAs quantum dot with Gaussian confinement in a magnetic field

A Boda, B Boyacioglu, A Chatterjee - Journal of Applied Physics, 2013 - pubs.aip.org
The ground state properties of a system of two interacting electrons trapped in a three-
dimensional GaAs quantum dot with Gaussian confinement under the influence of an …

Magnetization and susceptibility of a parabolic InAs quantum dot with electron–electron and spin–orbit interactions in the presence of a magnetic field at finite …

DS Kumar, S Mukhopadhyay, A Chatterjee - Journal of Magnetism and …, 2016 - Elsevier
The magnetization and susceptibility of a two-electron parabolic quantum dot are studied in
the presence of electron–electron and spin–orbit interactions as a function of magnetic field …

Confnement shape effect on D0 impurity in a GaAs quantum dot with spin-orbit coupling in a magnetic field

P Saini, A Chatterjee - Superlattices and Microstructures, 2020 - Elsevier
The role of the nature of confinement on a neutral hydrogenic donor impurity in a quantum
dot is studied using a power-exponential potential in the presence of Rashba and …