Listar Ciencias Exactas y Naturales por tema "Turbulência"
Mostrando ítems 1-5 de 5
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18 Sco : a solar twin rich in refractory and neutron-capture elements, implications for chemical tagging
(2014) [Artículo de periódico]We study with unprecedented detail the chemical composition and stellar parameters of the solar twin 18 Sco in a strictly differential sense relative to the Sun. Our study is mainly based on high-resolution (R ∼ 110,000), ... -
Chaotic interaction of langmuir solitons and long wavelength radiation
(1998) [Artículo de periódico]In this work we analyze the interaction of isolated solitary structures and ion-acoustic radiation. If the radiation amplitude is small solitary structures persist, but when the amplitude grows energy transfer towards small ... -
Heuristic model for the energy spectrum of phase turbulence
(2001) [Artículo de periódico]We present a heuristic model for the energy spectrum of the one-dimensional phase turbulence in the steady state of the Kuramoto-Sivashinsky equation. Our model contains an energy transfer mechanism from low- to high-wave-vector ... -
Particle-in-cell and weak turbulence simulations of plasma emission
(2019) [Artículo de periódico]The plasma emission process, which is the mechanism for solar type II and type III radio burst phenomena, is studied by means of particle-in-cell (PIC) and weak turbulence (WT) simulation methods. “Plasma emission” is meant ... -
Solitons, chaos, and energy transfer in the Zakharov equations
(1998) [Artículo de periódico]In the present paper we investigate the process of energy transfer in the Zakharov equations. Energy is initially injected into modes with small wave vectors. When the modulational instability threshold is exceeded, some ...