Search Results - "Kunold, A."

Room-temperature optical manipulation of nuclear spin polarization in GaAsN by Sandoval-Santana, C., Balocchi, A., Amand, T., Harmand, J. C., Kunold, A., Marie, X.

“…The effect of hyperfine interaction on the room-temperature defect-enabled spin filtering effect in GaAsN alloys is experimentally investigated and…”
Get full text

Lie algebraic approach to the time-dependent quantum general harmonic oscillator and the bi-dimensional charged particle in time-dependent electromagnetic fields by Ibarra-Sierra, V.G., Sandoval-Santana, J.C., Cardoso, J.L., Kunold, A.

“…We discuss the one-dimensional, time-dependent general quadratic Hamiltonian and the bi-dimensional charged particle in time-dependent electromagnetic fields…”
Get full text

Dirac materials under linear polarized light: quantum wave function time evolution and topological Berry phases as classical charged particles trajectories under electromagnetic fields by Ibarra-Sierra, V G, Sandoval-Santana, J C, Kunold, A, Herrera, Saúl A, Naumis, Gerardo G

“…Abstract The response of electrons under linearly polarized light in Dirac materials as borophene or graphene is analyzed in a continuous wave regime for an…”
Get full text

Impact of heavy hole-light hole coupling on optical selection rules in GaAs quantum dots by Belhadj, T., Amand, T., Kunold, A., Simon, C.-M., Kuroda, T., Abbarchi, M., Mano, T., Sakoda, K., Kunz, S., Marie, X., Urbaszek, B.

“…We report strong heavy hole-light hole mixing in GaAs quantum dots grown by droplet epitaxy. Using the neutral and charged exciton emission as a monitor we…”
Get full text

Hyperfine Interaction and Shockley–Read–Hall Recombination in Semiconductors by Ivchenko, E. L., Kalevich, V. K., Kunold, A., Balocchi, A., Marie, X., Amand, T.

“…Experimental and theoretical studies on optical orientation and spin-dependent recombination in a semiconductor in a magnetic field under the normal incidence…”
Get full text

Rising and lowering operator approach to the problem of a charged particle in a uniform magnetic field by Ibarra-Sierra, V. G., Sandoval-Santana, J. C., Velasco-Martínez, D., Cardoso, J. L., Kunold, A.

“…In this paper, we analyse the quantization of cyclotron orbits for a 2D non-relativistic and spinless charged particle under the influence of a static and…”
Get full text

Spin-filtering effect in GaAsN: electron-nuclear spin dynamics of Ga3+ centers by Ibarra-Sierra, V. G., Sandoval-Santana, J. C., Azaizia, S., Carrère, H., Bakaleinikov, L. A., Kalevich, V. K., Ivchenko, E. L., Marie, X., Amand, T., Balocchi, A., Kunold, A.

“…The impact of Ga 3+ centers in the spin-filtering effect observed in GaAsN samples is investigated through a model based on the master equation approach. Our…”
Get full text

Hall field-induced magnetoresistance oscillations of a two-dimensional electron system by Kunold, A., Torres, M.

“…We develop a model of the nonlinear response to a dc electrical current of a two-dimensional electron system (2DES) placed on a magnetic field. Based on the…”
Get full text

Quantum and classical dissipation of charged particles by Ibarra-Sierra, V.G., Anzaldo-Meneses, A., Cardoso, J.L., Hernández-Saldaña, H., Kunold, A., Roa-Neri, J.A.E.

“…A Hamiltonian approach is presented to study the two dimensional motion of damped electric charges in time dependent electromagnetic fields. The classical and…”
Get full text

Simulation factors of steel continuous casting by A. Ramirez-Lopez R. Aguilar-Lopez A. Kunold-Bello J. Gonzdlez-Trejo M. Palomar-Pardave

“…The factors involved in simulating the continuous casting process of steel and the effects of the factors on the thermal behavior were investigated. The…”
Get full text

Hall conductivity as a topological invariant by Kunold, A., Torres, M.

“…The object of the present work is to study the quantum Hall effect through its symmetries and topological aspects. We consider the model of an electron moving…”
Get full text

ac susceptibility in granular superconductors: theory and experiment by Kunold, A, Hernández, M, Myszkowski, A, Cardoso, J.L, Pereyra, P

“…A phenomenological theory to describe the electromagnetic properties of granular superconductors, based on known bulk superconductors expressions and…”
Get full text

Nonlinear transport theory for negative-differential resistance states of two-dimensional electron systems in strong magnetic fields by Kunold, A., Torres, M.

Get full text

Light helicity probed through spin dependent recombination in GaAsN alloys by Sandoval-Santana, J.C., Ibarra-Sierra, V.G., Carrère, H., Bakaleinikov, L.A., Kalevich, V.K., Ivchenko, E.L., Marie, X., Amand, T., Balocchi, A., Kunold, A.

“…In this paper we briefly review the main experimental and theoretical aspects of the spin-dependent recombination in dilute nitride GaAsN point interstitial…”
Get full text

Critical transport current oscillations at low magnetic fields in mesoscopic networks of Josephson junctions by Kunold, A., Pereyra, P.

“…From careful four probe measurements at different magnetic fields, we deduce the critical transport current density J c ( B) behaviour for polycrystalline Y…”
Get full text

Kubo formula for Floquet states and photoconductivity oscillations in a two-dimensional electron gas by TORRES, Manuel, KUNOLD, Alejandro

Get full text

Giant spin-dependent photo-conductivity in GaAsN dilute nitride semiconductor by Kunold, A., Balocchi, A., Zhao, F., Amand, T., Abdallah, N. Ben, Harmand, J. C., Marie, X.

Get full text

Spin-dependent photoconductivity in nonmagnetic semiconductors at room temperature by Zhao, F., Balocchi, A., Kunold, A., Carrey, J., Carrère, H., Amand, T., Ben Abdallah, N., Harmand, J. C., Marie, X.

“…By combining optical spin injection techniques with transport spectroscopy tools, we demonstrate a spin-photodetector allowing for the electrical measurement…”
Get full text

Quantum interference and critical currents in polycrystalline high- T c samples by Pereyra, P., Kunold, A.

Get full text

Magnetic-field and temperature effects on the critical exponents and tunneling in polycrystalline superconductors by Pereyra, Pedro, Cardoso, JoséL., Amezcua, Luis E., Kunold, A.

“…The magnetic-field and temperature behavior of the critical current exponents in poycrystalline YBa 2Cu xO y (with x = 3,4 and different grain sizes), has been…”
Get full text