Search Results - "BALLESTER, J. L"

Physics of Solar Prominences: II—Magnetic Structure and Dynamics by Mackay, D. H., Karpen, J. T., Ballester, J. L., Schmieder, B., Aulanier, G.

“…Observations and models of solar prominences are reviewed. We focus on non-eruptive prominences, and describe recent progress in four areas of prominence…”
Get full text

Nonlinear Instability of Kink Oscillations due to Shear Motions by Terradas, J, Andries, J, Goossens, M, Arregui, I, Oliver, R, Ballester, J. L

“…First results from a high-resolution three-dimensional nonlinear numerical study of the kink oscillation are presented. We show in detail the development of a…”
Get full text

Kelvin–Helmholtz Instability in Coronal Magnetic Flux Tubes due to Azimuthal Shear Flows by Soler, R, Terradas, J, Oliver, R, Ballester, J. L, Goossens, M

“…Transverse oscillations of coronal loops are often observed and have been theoretically interpreted as kink magnetohydrodynamic (MHD) modes. Numerical…”
Get full text

MAGNETOHYDRODYNAMIC WAVES IN TWO-DIMENSIONAL PROMINENCES EMBEDDED IN CORONAL ARCADES by TERRADAS, J, Soler, R, Diaz, A J, Oliver, R, Ballester, J L

“…Solar prominence models used so far in the analysis of MHD waves in two-dimensional structures are quite elementary. In this work, we calculate numerically…”
Get full text

Damped Coronal Loop Oscillations: Time-dependent Results by Terradas, J, Oliver, R, Ballester, J. L

“…The excitation and damping of transverse coronal loop oscillations is studied using a one-dimensional model of a line-tied cylindrical loop. By solving the…”
Get full text

Resonant Absorption in Complicated Plasma Configurations: Applications to Multistranded Coronal Loop Oscillations by Terradas, J, Arregui, I, Oliver, R, Ballester, J. L, Andries, J, Goossens, M

“…We study the excitation and damping of transverse oscillations in a multistranded model of a straight line-tied coronal loop. The transverse geometry of our…”
Get full text

KELVIN-HELMHOLTZ INSTABILITY IN PARTIALLY IONIZED COMPRESSIBLE PLASMAS by SOLER, R, DIAZ, A. J, BALLESTER, J. L, GOOSSENS, M

“…The Kelvin-Helmholtz instability (KHI) has been observed in the solar atmosphere. Ion-neutral collisions may play a relevant role for the growth rate and…”
Get full text

Resonantly Damped Kink Magnetohydrodynamic Waves in a Partially Ionized Filament Thread by Soler, R, Oliver, R, Ballester, J. L

“…Transverse oscillations of solar filament and prominence threads have been frequently reported. These oscillations have the common features of being of short…”
Get full text

Transverse Oscillations of a Multi-stranded Loop by Luna, M, Terradas, J, Oliver, R, Ballester, J. L

“…We investigate the transverse oscillations of a line-tied multi-stranded coronal loop composed of several parallel cylindrical strands. First, the collective…”
Get full text

Global Shallow Water Magnetohydrodynamic Waves in the Solar Tachocline by Zaqarashvili, T. V, Oliver, R, Ballester, J. L

“…We derive analytical solutions and dispersion relations of global magnetic Poincare (magneto-gravity) and magnetic Rossby waves in the approximation of shallow…”
Get full text

Nonadiabatic Magnetohydrodynamic Waves in a Cylindrical Prominence Thread with Mass Flow by Soler, R, Oliver, R, Ballester, J. L

“…High-resolution observations show that oscillations and waves in prominence threads are common and that they are attenuated in a few periods. In addition,…”
Get full text

Swaying Threads of a Solar Filament by Lin, Y, Soler, R, Engvold, O, Ballester, J. L, Langangen, Ø, Oliver, R, Rouppe van der Voort, L. H. M

“…From recent high-resolution observations obtained with the Swedish 1 m Solar Telescope in La Palma, we detect swaying motions of individual filament threads in…”
Get full text

Damping of Kink Oscillations in Curved Coronal Loops by Terradas, J, Oliver, R, Ballester, J. L

“…We study the kink modes of oscillation of a curved coronal loop using a toroidal model with a power-law density profile. We find that there are two kink modes…”
Get full text

Transverse Oscillations of Flowing Prominence Threads Observed with Hinode by Terradas, J, Arregui, I, Oliver, R, Ballester, J. L

“…Recent observations with the Hinode Solar Optical Telescope display an active region prominence whose fine threads oscillate in the vertical direction as they…”
Get full text

Application of Statistical Techniques to the Analysis of Solar Coronal Oscillations by Terradas, J, Oliver, R, Ballester, J. L

“…In this work, the application of two different techniques to the analysis of coronal time series is investigated. The first technique, called empirical mode…”
Get full text

Transverse Oscillations of Two Coronal Loops by Luna, M, Terradas, J, Oliver, R, Ballester, J. L

“…We study transverse fast magnetohydrodynamic waves in a system of two coronal loops modeled as smoothed, dense plasma cylinders in a uniform magnetic field…”
Get full text

WAVE LEAKAGE AND RESONANT ABSORPTION IN A LOOP EMBEDDED IN A CORONAL ARCADE by Rial, S, Arregui, I, TERRADAS, J, Oliver, R, Ballester, J L

“…We investigate the temporal evolution of impulsively generated perturbations in a potential coronal arcade with an embedded loop. For the initial configuration…”
Get full text

Transverse Oscillations of Systems of Coronal loops by Luna, M, Terradas, J, Oliver, R, Ballester, J. L

“…We study the collective kinklike normal modes of a system of several cylindrical loops using the T-matrix theory. Loops that have similar kink frequencies…”
Get full text

Propagation of Nonadiabatic Magnetoacoustic Waves in a Threaded Prominence With Mass Flows by Soler, R, Oliver, R, Ballester, J. L

“…High-resolution observations of solar filaments suggest the presence of groups of prominence threads, i.e., the fine structures of solar prominences, which…”
Get full text

Three-dimensional Propagation of Magnetohydrodynamic Waves in Solar Coronal Arcades by Rial, S, Arregui, I, Terradas, J, Oliver, R, Ballester, J. L

Get full text