Documentos de Radu A. | REDI

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Mostrando 7 resultados de: 7

Filtros aplicados

Área de conocimiento: "Mecánica cuántica"

Subtipo de publicación

Publisher

Scientific Reports(2)

Journal of Applied Physics(1)

Optics and Laser Technology(1)

Physica B: Condensed Matter(1)

Physica E: Low-Dimensional Systems and Nanostructures(1)

Área temáticas

Electricidad y electrónica(3)

Física aplicada(3)

Física moderna(3)

Ingeniería y operaciones afines(1)

Área de conocimiento

Ciencia de materiales(1)

Nanopartícula(1)

Nanostructura(1)

Optimización matemática(1)

Año de Publicación

Origen

Palabras Claves

Quantum rings(3)

quantum dots(2)

Adiabatic approximation(1)

Cone-shaped quantum dot(1)

Coulomb energy(1)

Electronic and intraband optical properties of single quantum rings under intense laser field radiation

Abstract: The influence of an intense laser field on one-electron states and intraband optical absorption coef

Palabras claves:

Baghramyan H.M., Barseghyan M.G., David Laroze, Kirakosyan A.A., Radu A.

Electronic structure of vertically coupled quantum dot-ring heterostructures under applied electromagnetic probes. A finite-element approach

Abstract: We theoretically investigate the electron and hole states in a semiconductor quantum dot-quantum rin

Palabras claves:

David Laroze, Duque C.A., Heyn C., Hieu N.N., Mora-Ramos M.E., Morales A.L., Ojeda J.H., Phuc H.V., Radu A., Restrepo R.L., Tulupenko V., Vinasco J.A.

Exciton states in conical quantum dots under applied electric and magnetic fields

Abstract: Using the effective mass and parabolic band approximations, and the finite element method, we calcul

Palabras claves:

Cone-shaped quantum dot, Coulomb energy, Electric and magnetic field, Exciton lifetime, Exciton states, Quantum rings

David Laroze, Duque C.A., Heyn C., Hieu N.N., Mora-Ramos M.E., Morales A.L., Ojeda J.H., Phuc H.V., Radu A., Restrepo R.L., Tulupenko V., Vinasco J.A.

Laser driven impurity states in two-dimensional quantum dots and quantum rings

Abstract: The hydrogenic donor impurity states in two-dimensional GaAs/Ga0.7Al0.3As quantum dot and quantum ri

Palabras claves:

Donor impurity, Exact diagonalization technique, Laser field, quantum dots, Quantum rings

Barseghyan M.G., David Laroze, Kirakosyan A.A., Radu A.

Tunneling influence on the intersubband optical absorption coefficient and refraction index in biased GaAs/AlGaAs quantum well wires

Abstract: We investigate the tunnel effect influence on the intersubband optical absorption and refraction in

Palabras claves:

absorption coefficient, electric field, Intersubband transition, Quantum well wire, Refraction index, SEMICONDUCTOR, Tunnel effect

Aqiqi S., David Laroze, Duque C.A., Radu A., Vinasco J.A.

Revisiting the adiabatic approximation for bound states calculation in axisymmetric and asymmetrical quantum structures

Abstract: The Schrödinger equation in the effective mass approximation is commonly used to calculate the elect

Palabras claves:

Adiabatic approximation, Excited levels, Finite Element Method, quantum dots, Quantum rings, symmetry

David Laroze, Duque C.A., Feddi E.M., Mora-Ramos M.E., Morales A.L., Radu A., Restrepo R.L., Tiutiunnyk A., Vinasco J.A.

Pyramidal core-shell quantum dot under applied electric and magnetic fields

Abstract: We have theoretically investigated the electronic states in a core/shell pyramidal quantum dot with

Palabras claves:

Caicedo-Paredes D., David Laroze, Duque C.A., Hieu N.N., Martínez-Orozco J.C., Mora-Ramos M.E., Morales A.L., Osorio J.A., Phuc H.V., Radu A., Restrepo R.L., Tiutiunnyk A., Vinasco J.A.