scholarly journals Influence of Rashba effect and Zeeman effect on properties of bound magnetopolaron in an anisotropic quantum dot

2022 ◽  
Vol 71 (1) ◽  
pp. 016301-016301
Author(s):  
Hong Lan ◽  
◽  
Ge Jun ◽  
Shuang Shan ◽  
Liu Da-Quan
Keyword(s):  
Quantum Dot ◽  
Zeeman Effect ◽  
Rashba Effect ◽  
Anisotropic Quantum Dot ◽  
Bound Magnetopolaron

Influence of Rashba Effect on the Bound Magnetopolaron in an Anisotropic Quantum Dot

2019 ◽  
Vol 58 (11) ◽  
pp. 3702-3710 ◽  
Author(s):  
Shu-Ping Shan ◽  
Shi-Hua Chen ◽  
Chun Hu ◽  
Ren-Zhong Zhuang
Keyword(s):  
Quantum Dot ◽  
Rashba Effect ◽  
Anisotropic Quantum Dot ◽  
Bound Magnetopolaron

VIBRATIONAL FREQUENCY OF IMPURITY BOUND MAGNETOPOLARON IN AN ANISOTROPIC QUANTUM DOT

2009 ◽  
Vol 23 (20n21) ◽  
pp. 2449-2456 ◽  
Author(s):  
WEI XIAO ◽  
JING-LIN XIAO
Keyword(s):  
Quantum Dot ◽  
Interaction Energy ◽  
Coupling Strength ◽  
Vibrational Frequency ◽  
Cyclotron Frequency ◽  
Operator Method ◽  
Phonon Coupling ◽  
Electron Phonon Coupling ◽  
Anisotropic Quantum Dot ◽  
Bound Magnetopolaron

We study the vibrational frequency and the interaction energy of the weak-coupling impurity bound magnetopolaron in an anisotropic quantum dot. The effects of the transverse and longitudinal effective confinement lengths, the electron–phonon coupling strength, the cyclotron frequency of a magnetic field and the Coulomb bound potential are taken into consideration by using an improved linear combination operator method. It is found that the vibrational frequency and the interaction energy will increase rapidly with decreasing confinement lengths and increasing the cyclotron frequency. The vibrational frequency is an increasing function of the Coulomb bound potential, whereas the interaction energy is an decreasing one of the potential and the electron–phonon coupling strength.

Bound magnetopolaron in delta GaAs quantum dot under Rashba effect

2018 ◽  
Vol 56 (1) ◽  
pp. 315-322 ◽  
Author(s):  
M. Tiotsop ◽  
A.J. Fotue ◽  
H.B. Fotsin ◽  
L.C. Fai
Keyword(s):  
Quantum Dot ◽  
Rashba Effect ◽  
Gaas Quantum Dot ◽  
Bound Magnetopolaron

First-excited-state energy of hydrogenic impurity bound polaron in an anisotropic quantum dot in an electric field

2019 ◽  
Vol 33 (32) ◽  
pp. 1950386
Author(s):  
Shi-Hua Chen
Keyword(s):  
Excited State ◽  
Binding Energy ◽  
Quantum Dot ◽  
Electric Field ◽  
Binding Energies ◽  
Hydrogenic Impurity ◽  
Bound Polaron ◽  
First Excited State ◽  
Trial Wavefunction ◽  
Anisotropic Quantum Dot

The first-excited-state (ES) binding energy of hydrogenic impurity bound polaron in an anisotropic quantum dot (QD) is obtained by constructing a variational wavefunction under the action of a uniform external electric field. As for a comparison, the ground-state (GS) binding energy of the system is also included. We apply numerical calculations to KBr QD with stronger electron–phonon (E–P) interaction in which the new variational wavefunction is adopted. We analyzed specifically the effects of electric field and the effects of both the position of the impurity and confinement lengths in the xy-plane and the [Formula: see text] direction on the ground and the first-ES binding energies (BEs). The results show that the selected trial wavefunction in the ES is appropriate and effective for the current research system.

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