Confined optical phonon

We applied the quantum kinetic equation method to investigate the influence of confined optical phonons (confined OP) on the photo-stimulated Ettingshausen effect in rectangular quantum wires (RQW) subjected to a perpendicular magnetic field. We considered the case where the confined electrons-confined OP scattering is the dominant mechanism.

7p viberkshire 09-08-2023 5 3   Download

Based on the kinetic equation method, the quantum Peltier effect has been theoretically studied under the influence of confined optical phonons in a rectangular quantum wire (RQW) of infinite high potential when placed in perpendicular electric and magnetic fields.

7p viberkshire 09-08-2023 7 5   Download

Quantum theory of nonlinear absorption of strong electromagnetic wave (EMW) by confined electrons in two - dimensional (2D) graphene without magnetic field has been studied by using the quantum kinetic equation in assumption of electron - optical phonon scattering. The analytic expression of absorption coefficient is obtained in 2D graphene.

9p viindranooyi 07-05-2022 11 2   Download

The analytic expressions for the absorption coefficient (ACF) of a weak electromagnetic wave (EMW) caused by confined electrons in the presence of laser radiation modulated by amplitude in doped superlattices (DSL) are obtained by using the quantum kinetic equation for electrons in the case of electron–optical phonon scattering.

11p tamynhan8 04-11-2020 15 2   Download

The electron – optical phonon scattering is considered in detail to studying the Ettingshausen effect in doped semiconductor superlattice under the influence of phonon confinement and laser radiation. The analytical expressions for tensors and the Ettingshausen coefficient are obtained by using the kinetic equation method.

8p tamynhan6 14-09-2020 15 1   Download

Magneto-optical absorption coefficient (MOAC) in infinite square quantum well (SQW) is investigated by time-dependent perturbation method. The dependence of MOAC on the photon energy is calculated and graphically plotted. From the graphs showing this dependence, we obtained the spectral line width (the full-width at half maximum - FWHM) of the cyclotron-phonon resonance peaks using Profile method.

10p thuongdanguyetan19 05-02-2020 17 1   Download

Quantum theory of absorption of electromagnetic wave (EMW) by confined electrons in two - dimensional (2D) graphene has been studied by using the quantum kinetic equation in assumption of electron - optical phonon scattering.

10p vigustavia2711 19-12-2019 11 0   Download

The influence of confined acoustic phonons on the Hall Coefficient (HC) in a Cylindrycal Quantum Wire (CQW) with an infinite potential (for electron – confined acoustic phonons scattering). Consider a case where CQW is placed in a perpendicular magnetic field

6p vitheseus2711 24-10-2019 13 0   Download

In this paper, we have used the method of quantum kinetic equation to calculate the analytic expression for Ettingshausen coefficient (EC) under the influence of confined phonon. We considered a quantum well in the presence of constant electric field, magnetic field and electromagnetic wave (EMW) with assumption that electron – confined optical phonon (OP) scattering is essential.

7p viposeidon2711 17-09-2019 16 0   Download

The results are numerically evaluated and graphed for a GaAs/GaAsAl CQW to shows clearly the dependence of Hall conductivity and HC on above parameters. The obtained results are very different in comparison to our previous results in the case two-dimensional system (2D) and bulk semiconductor.

9p thithizone1 18-07-2019 20 0   Download

The analytic expression for absorption power of a strong electromagnetic waves caused by confined electrons in quantum well is obtained in the case of electron-optical phonon scattering. Nonlinear optically detected electrophonon resonance (ODEPR) effect in a specific GaAs/AlAs quantum well with triangular potential is investigated.

10p danhnguyentuongvi 18-12-2018 18 0   Download

The Transverse Hall effect (THE) has been theoretical studied in a quantum well (QW) with high infinite potential subjected to a crossed dc electric field and a magnetic field (MF) which is oriented perpendicularly to the confinement direction in the present of an intense electromagnetic wave (EMW).

7p truongtien_09 08-04-2018 30 0   Download

Based on the quantum kinetic equation method, the influence of confined optical phonons and laser radiation on the Radioelectric effect in a cylindrical semiconductor quantum wire with parabolic potential subjected to a dc electric field and a linearly polarized electromagnetic wave has been theoretically studied.

6p truongtien_09 08-04-2018 28 1   Download