136 citations · 682 across the 13 of their papers we have counts for
13 papers
One dimensional prominence threads: I. Equilibrium models
J. Terradas, M. Luna, R. Soler +3
Threads are the building blocks of solar prominences and very often show longitudinal oscillatory motions that are strongly attenuated with time. The damping mechanism responsible…
Gravitational instability of solar prominence threads I. Curved magnetic fields without dips
A. Adrover-González, J. Terradas, R. Oliver +1
Prominence threads are dense and cold structures lying on curved magnetic fields that can be suspended in the solar atmosphere against gravity. The gravitational stability of threa…
Magneto-Rossby waves in the solar tachocline and the annual variations in solar activity
Tamar Gachechiladze, Teimuraz V. Zaqarashvili, Eka Gurgenashvili +4
Annual oscillations have been detected in many indices of solar activity during many cycles. Recent multi spacecraft observations of coronal bright points revealed slow retrograde…
On the spatial scales of wave heating in the solar chromosphere
Roberto Soler, Marc Carbonell, Jose Luis Ballester
Dissipation of magnetohydrodynamic (MHD) wave energy has been proposed as a viable heating mechanism in the solar chromospheric plasma. Here, we use a simplified one-dimensional mo…
Long-term variation in the Sun's activity caused by magnetic Rossby waves in the tachocline
T. V. Zaqarashvili, R. Oliver, A. Hanslmeier +4
Long-term records of sunspot number and concentrations of cosmogenic radionuclides (10Be and 14C) on the Earth reveal the variation of the Sun's magnetic activity over hundreds and…
Magnetoacoustic waves in a partially ionized two-fluid plasma
Roberto Soler, Marc Carbonell, Jose Luis Ballester
Compressible disturbances propagate in a plasma in the form of magnetoacoustic waves driven by both gas pressure and magnetic forces. In partially ionized plasmas the dynamics of i…
Alfven waves in a partially ionized two-fluid plasma
R. Soler, M. Carbonell, J. L. Ballester +1
Alfvén waves are a particular class of magnetohydrodynamic waves relevant in many astrophysical and laboratory plasmas. In partially ionized plasmas the dynamics of Alfvén waves is…
Cut-off wavenumber of Alfven waves in partially ionized plasmas of the solar atmosphere
T. V. Zaqarashvili, M. Carbonell, J. L. Ballester +1
Alfven wave dynamics in partially ionized plasmas of the solar atmosphere shows that there is indeed a cut-off wavenumber, i.e. the Alfven waves with wavenumbers higher than the cu…
Rossby waves and polar spots in rapidly rotating stars: Implications for stellar wind evolution
T. V. Zaqarashvili, R. Oliver, J. L. Ballester +5
Rapidly rotating stars show short-period oscillations in magnetic activity and polar appearance of starspots. The aim of this paper is to study large-scale shallow water waves in t…
Quasi-biennial oscillations in the solar tachocline caused by magnetic Rossby wave instabilities
T. V. Zaqarashvili, M. carbonell, R. Oliver +1
Quasi-biennial oscillations (QBO) are frequently observed in the solar activity indices. However, no clear physical mechanism for the observed variations has been suggested so far.…
The spatial damping of magnetohydrodynamic waves in a flowing partially ionised prominence plasma
M. Carbonell, P. Forteza, R. Oliver +1
Solar prominences are partially ionised plasmas displaying flows and oscillations. These oscillations show time and spatial damping and, commonly, have been explained in terms of m…
Magnetic Rossby waves in the solar tachocline and Rieger-type periodicities
T. V. Zaqarashvili, M. Carbonell, R. Oliver +1
Apart from the 11-year solar cycle, another periodicity around 155-160 days was discovered during solar cycle 21 in high energy solar flares, and its presence in sunspot areas and…
The statistical significance of the N-S asymmetry of solar activity revisited
M. Carbonell, J. Terradas, R. Oliver +1
The main aim of this study is to point out the difficulties found when trying to assess the statistical significance of the North-South asymmetry (hereafter SSNSA) of the most usua…