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Related papers: Linear magnetosonic waves in solar wind flow tubes

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The interplay between electron-scale and ion-scale phenomena is of general interest for both laboratory and space plasma physics. In this paper we investigate the linear coupling between whistler waves and slow magnetosonic solitons through…

Plasma Physics · Physics 2012-03-20 Anna Tenerani , Francesco Califano , Francesco Pegoraro , Olivier Le Contel

The modulation of the intensity of microwave emission from a plasma slab caused by a standing linear kink fast magnetoacoustic wave is considered. The slab is stretched along a straight magnetic field, and can represent, for example, a…

Solar and Stellar Astrophysics · Physics 2023-02-22 T. I. Kaltman , E. G. Kupriyanova

We compute electromagnetic wave propagation through the magnetosphere of a magnetar. The magnetosphere is modeled as the QED vacuum and a cold, strongly magnetized plasma. The background field and electromagnetic waves are treated…

High Energy Astrophysical Phenomena · Physics 2015-05-18 Dan Mazur , Jeremy S. Heyl

We analyze the existence of localized waves in the vicinities of the interface between two dielectrics, provided one of them is uniaxial and lossy. We found two families of surface waves, one of them approaching the well-known Dyakonov…

Optics · Physics 2015-04-07 A. J. Sorni , M. Naserpour , C. J. Zapata-Rodríguez , J. J. Miret

We investigate sharp structures visible in solar magnetic field tracers. It is shown that the sunspot magnetic boundaries do not coincide with the photometric ones. Moreover, there is no clear boundary of the magnetic field in the vicinity…

Solar and Stellar Astrophysics · Physics 2023-10-18 V. N. Obridko , D. D. Sokoloff , M. K. Katsova

Magnetohydrodynamic (MHD) waves are routinely observed in the solar atmosphere. These waves are important in the context of solar physics as it is widely believed they can contribute to the energy budget of the solar atmosphere and are a…

Solar and Stellar Astrophysics · Physics 2021-12-22 Samuel Skirvin , Viktor Fedun , Suzana Silva , Gary Verth

The density fluctuation spectrum in the solar wind reveals a Kolmogorov-like scaling with a spectral slope of -5/3 in wavenumber space. The energy transfer process in the magnetized solar wind, characterized typically by MHD turbulence,…

Space Physics · Physics 2009-10-20 Dastgeer Shaikh , G. P. Zank

General phenomenological theory of magnetic spin waves in ferromagnetic media is originally reformulated and applied to analysis of magnetostatic waves in films and plates with arbitrary nisotropy under arbitrary external field. Exact…

Other Condensed Matter · Physics 2012-04-03 Yu. E. Kuzovlev , Yu. V. Medvedev , N. I. Mezin

There is increasingly strong observational evidence that slow magnetoacoustic modes arise in the solar atmosphere. Solar magneto-seismology is a novel tool to derive otherwise directly un-measurable properties of the solar atmosphere when…

Solar and Stellar Astrophysics · Physics 2015-06-04 M. Luna-Cardozo , G. Verth , R. Erdélyi

3D MHD global solar simulations coupling the turbulent convective zone and the radiative zone have been carried out. Essential features of the Sun such as differential rotation, meridional circulation and internal waves excitation are…

Solar and Stellar Astrophysics · Physics 2015-03-19 Strugarek Antoine , Brun Allan Sacha , Zahn Jean-Paul

Observations of molecular clouds show the existence of starless, dense cores, threaded by magnetic fields. Observed line widths indicate these dense condensates to be embedded in a supersonically turbulent environment. Under these…

Astrophysics · Physics 2009-11-10 Doris Folini , Jean Heyvaerts , Rolf Walder

We study stability of isothermal two-component radiatively driven stellar winds against one-dimensional perturbations larger than the Sobolev length, and radiative-acoustic waves in such stellar winds. We perform linear perturbation…

Astrophysics · Physics 2009-11-07 Jiri Krticka , Jiri Kubat

The steady, supersonic outflow from the Sun we call the solar wind was first posited in the 1950s and initial theories rightly linked the acceleration of the wind to the existence of the million-degree solar corona. Still today, the wind…

Solar and Stellar Astrophysics · Physics 2016-05-17 Lauren N. Woolsey

We consider a dynamo wave in the solar convective shell for the kinematic $\alpha\omega$-dynamo model. The spectrum and eigenfunctions of the corresponding equations are derived analytically with the aid of the WKB method. Our main aim here…

Astrophysics · Physics 2009-11-06 Victor Galitski , D. D. Sokoloff

We investigate possible links between the large-scale and small-scale features of solar wind fluctuations across the frequency break separating fluid and kinetic regimes. The aim is to correlate the magnetic field fluctuations polarization…

Space Physics · Physics 2017-01-26 D. Telloni , R. Bruno

We present the results of three-dimensional numerical simulations to investigate the excitation of waves in the magnetic network of the Sun due to footpoint motions of a magnetic flux tube. We consider motions that typically mimic granular…

Solar and Stellar Astrophysics · Physics 2015-06-15 G. Vigeesh , S. S. Hasan

Aims: Propagation and energy transfer of torsional Alfv\'en waves in solar magnetic flux tubes of axial symmetry is studied. Methods: An analytical model of a solar magnetic flux tube of axial symmetry is developed by specifying a magnetic…

Solar and Stellar Astrophysics · Physics 2015-05-20 K. Murawski , A. Solov'ev , Z. E. Musielak , A. K. Srivastava , J. Kraskiewicz

The magnetic variance anisotropy ($\mathcal{A}_m$) of the solar wind has been used widely as a method to identify the nature of solar wind turbulent fluctuations; however, a thorough discussion of the meaning and interpretation of the…

Space Physics · Physics 2015-06-05 J. M. TenBarge , J. J. Podesta , K. G. Klein , G. G. Howes

Magnetic holes are structures commonly observed in various space plasma environments throughout the solar system, including the solar wind. These structures are characterized by a localized decrease in magnetic field strength, coincident…

The excitations of nonlinear magnetosonic waves in presence of charged space debris in the low Earth orbital plasma region is investigated taking into account effects of electron inertia in the framework of classical magnetohydrodynamics,…

Plasma Physics · Physics 2023-06-09 Siba Prasad Acharya , Abhik Mukherjee , M. S. Janaki