Search Results - "Nunez, Alvaro S."

Brownian motion of massive skyrmions in magnetic thin films by Troncoso, Roberto E., Núñez, Álvaro S.

“…We report on the thermal effects on the motion of current-driven massive magnetic skyrmions. The reduced equation for the motion of skyrmion has the form of a…”
Get full text

Theory of the piezo-spintronic effect by Núñez, Álvaro S.

“…The theoretical prediction that some materials might develop pure spin currents in response to strain is presented. Such piezo-spintronic effect is studied and…”
Get full text

Magnetostatic interaction between Bloch point nanospheres by Zambrano-Rabanal, Cristobal, Valderrama, Boris, Tejo, Felipe, Elías, Ricardo Gabriel, Nunez, Alvaro S., Carvalho-Santos, Vagson L., Vidal-Silva, Nicolás

“…Three-dimensional topological textures have become a topic of intense interest in recent years. This work uses analytical and numerical calculations to…”
Get full text

Emerging topological multiferroics from the 2D Rice-Mele model by Vergara, Patricio, Sáez, Guidobeth, Castro, Mario, Allende, Sebastián, Núñez, Álvaro S.

“…We introduce a two-dimensional dimerized lattice model that reveals a remarkable feature: the emergence of a complex, non-trivial topological multiferroic…”
Get full text

Josephson effects in a Bose–Einstein condensate of magnons by Troncoso, Roberto E., Núñez, Álvaro S.

“…A phenomenological theory is developed, that accounts for the collective dynamics of a Bose–Einstein condensate of magnons. In terms of such description we…”
Get full text

Alternating spin-polarized current induces parametric resonance in spin valves by Clerc, Marcel G., Coulibaly, Saliya, Laroze, David, León, Alejandro O., Núñez, Álvaro S.

“…Ferromagnetic systems under the influence of spin-polarized currents exhibit rich spatiotemporal dynamics at nanoscales. We study spin-transfer…”
Get full text

A three step recipe for designing auxetic materials on demand by Acuna, Daniel, Gutiérrez, Francisco, Silva, Rodrigo, Palza, Humberto, Nunez, Alvaro S., Düring, Gustavo

“…Unlike regular elastic materials, when auxetic materials are compressed, they become thinner in the direction perpendicular to the applied force. Despite their…”
Get full text

Spin wave spectrum of magnetic nanotubes by González, A.L., Landeros, P., Núñez, Álvaro S.

“…We investigate the spin wave spectra associated to a vortex domain wall confined within a ferromagnetic nanotube. Basing our study upon a simple model for the…”
Get full text

Magnetic Otto Engine for an Electron in a Quantum Dot: Classical and Quantum Approach by Peña, Francisco J., Negrete, Oscar, Alvarado Barrios, Gabriel, Zambrano, David, González, Alejandro, Nunez, Alvaro S., Orellana, Pedro A., Vargas, Patricio

“…We studied the performance of classical and quantum magnetic Otto cycle with a working substance composed of a single quantum dot using the Fock–Darwin model…”
Get full text

The mechanism of Menshutkin reaction in gas and solvent phases from the perspective of reaction electronic flux by Giri, Santanab, Inostroza-Rivera, Ricardo, Herrera, Bárbara, Núñez, Alvaro S., Lund, Fernando, Toro-Labbé, Alejandro

“…The mechanism of Menshutkin reaction, NH 3 + CH 3 Cl = [CH 3 –NH 3 ]+ + Cl-, has been thoroughly studied in both gas and solvent (H 2 O and cyclohexane) phase…”
Get full text

Effective temperature and Gilbert damping of a current-driven localized spin by Núñez, Alvaro S., Duine, R. A.

Get full text

Magnetic Engine for the Single-Particle Landau Problem by Peña, Francisco, González, Alejandro, Nunez, Alvaro, Orellana, Pedro, Rojas, René, Vargas, Patricio

“…We study the effect of the degeneracy factor in the energy levels of the well-known Landau problem for a magnetic engine. The scheme of the cycle is composed…”
Get full text

Model for Nonrelativistic Topological Multiferroic Matter by Saez, Guidobeth, Castro, Mario A, Allende, Sebastian, Nunez, Alvaro S

“…We provide a model capable of accounting for the multiferroicity in certain materials. The model's base is on free electrons and spin moments coupled within…”
Get full text

Thermally assisted current-driven skyrmion motion by Troncoso, Roberto E., Núñez, Alvaro S.

“…We study the behavior of skyrmions in thin films under the action of stochastic torques arising from thermal fluctuations. We find that the Brownian motion of…”
Get full text

Theory of spin transfer phenomena in magnetic metals and semiconductors by Núñez, Alvaro S., MacDonald, Allan H.

“…We propose a general theory of the spin-transfer effects that occur when current flows through inhomogeneous magnetic systems. Our theory does not rest on an…”
Get full text

Magnonic Black Holes by Roldán-Molina, A, Nunez, Alvaro S, Duine, R A

“…We show that the interaction between the spin-polarized current and the magnetization dynamics can be used to implement black-hole and white-hole horizons for…”
Get full text

Hopfion-Driven Magnonic Hall Effect and Magnonic Focusing by Saji, Carlos, Troncoso, Roberto E., Carvalho-Santos, Vagson L., Altbir, Dora, Nunez, Alvaro S.

“…Hopfions are localized and topologically nontrivial magnetic configurations that have received considerable attention in recent years. In this Letter, we use a…”
Get full text

Stability Enhancement by Zero‐Point Spin Fluctuations: A Quantum Perspective on Bloch Point Topological Singularities by Tapia, Alonso, Saji, Carlos, Roldán‐Molina, Alejandro, Nunez, Alvaro S.

“…Bloch points represent singularities within magnetic materials. From a macroscopic viewpoint, their cores are points where the magnetization vector is…”
Get full text

Interlayer transport in bilayer quantum hall systems by ROSSI, Enrico, NUNEZ, Alvaro S, MACDONALD, A. H

“…Bilayer quantum Hall systems have a broken symmetry ground state at a filling factor which can be viewed either as an excitonic superfluid or as a pseudospin…”
Get full text

Toward Fully Multiferroic van der Waals SpinFETs: Basic Design and Quantum Calculations by Castro, Mario, Saéz, Guidobeth, Vergara Apaz, Patricio, Allende, Sebastián, Nunez, Alvaro S.

“…Manipulating spin transport enhances the functionality of electronic devices, allowing them to surpass physical constraints related to speed and power. For…”
Get full text