Browsing by Author "Valdivia Hepp, Juan"
Now showing items 1-20 of 21
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(AMER INST PHYSICS, 2011-01)Based on the one-body particle-antiparticle Dirac theory of electrons, a set of relativistic quantum fluid equations for a spin half plasma is derived. The particle-antiparticle nature of the relativistic particles is ...
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(Amer Geophysical Union, 2021)We propose a method, based on Neural Networks, that detects the nonlinear robust interplanetary solar wind variables, with varying delays, driving the coupled behavior of three geomagnetic indices (Dst, AL, and AU). As ...
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(Royal Soc Chemistry, 2015)The planar to three dimensional transition of Au13-nAgn clusters is investigated. To do so the low lying energy configurations for all possible concentrations (n values) are evaluated. Many thousands of possible conformations ...
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(SPRINGER, 2011-01)Collision processes between a single gold atom and a gold cluster are investigated by means of ab initio techniques. The targets we consider are minimum energy 13 gold atom clusters. The kinetic energy of the projectile ...
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(Universidad de Chile, 2023)Las perturbaciones ionosféricas son un problema importante para los sistemas de radiocomunicación y navegación basados en el espacio. Los cambios ionosféricos pueden perturbar al Sistema Global de Navegación por Satélite ...
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(Universidad de Chile, 2021)La presente tesis está dedicada a la generación y control de estructuras disipativas inducidas por luz en cristal líquido. Esta monografía se desarrolla entorno a una serie de experimentos desarrollados para lograr diversidad ...
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(Universidad de Chile, 2024)Este trabajo presenta un estudio teórico y numérico sobre el efecto de la direccionalidad espacial en la interacción entre pares de osciladores en el modelo de Kuramoto-Sakaguchi, y su impacto colectivo en los estados de ...
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(American Geophysical Union, 2015)Observed electron velocity distributions in the Earth's magnetosphere and the solar wind exhibit a variety of nonthermal features which deviate from thermal equilibrium, for example, in the form of temperature anisotropies, ...
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(Nature Publishing Group, 2018)© 2018, The Author(s).A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.
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(OXFORD UNIV PRESS, 2013-09)We present solutions for Hall equilibria applicable to neutron star crusts. Such magnetic configurations satisfy a Grad–Shafranov-type equation, which is solved analytically and numerically. The solutions presented cover ...
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(Oxford University Press, 2015)In stably stratified stars, numerical magnetohydrodynamics simulations have shown that arbitrary initial magnetic fields evolve into stable equilibrium configurations, usually containing nearly axisymmetric, linked ...
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Ion cyclotron instability triggered by drifting minor ion species: Cascade effect and exact results (2004)On the basis of bi-Maxwellian velocity distribution functions it has been recently shown that the combined effect of heavy ion thermal anisotropy and drift velocity can trigger ion-cyclotron instabilities beyond the ...
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(European Geosciences Union&the American Geophysical Union, 2014)Abstract. Propagation of large-amplitude waves in plasmas is subject to several sources of nonlinearity due to relativistic effects, either when particle quiver velocities in the wave field are large, or when thermal ...
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(Blackwell Publishing Ltd, 2015)©2015. American Geophysical Union. All Rights Reserved. Remote and in situ observations in the solar wind show that ion and electron velocity distributions persistently present deviations from thermal equilibrium. Ion ...
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(2013)Although barotropic matter does not constitute a realistic model for magnetic stars, it would be interesting to con rm a recent conjecture that states that magnetized stars with a barotropic equation of state would ...
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(Elsevier, 2013)We explore the nontrivial behavior of a particular city traffic model due to its minimalistic representation of basic city traffic dynamics. The chaotic behavior is studied through the supertrack functions, an approach ...
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(Nature Publishing Group, 2018)© 2018, The Author(s).Strong correlation effects emerge from light-matter interactions in coupled resonator arrays, such as the Mott-insulator to superfluid phase transition of atom-photon excitations. We demonstrate that ...
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(Copernicus Gesellschaft MBH, 2018)
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(Wiley Periodicals, 2013)
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(Blackwell Publishing Ltd, 2014)The study of complexity in two aspects of the magnetic activity in the Sun-Earth system is presented. We compare the temporal evolution of the magnetic fluctuations in the Earth's magnetosphere and the spatial distribution ...
