An MHD shell model is used to describe the dissipative events that take place in magnetized plasmas. We analyze the activity of the time series of the magnetic energy dissipation rate obtained in the MHD shell model, which evolves under two forcing regimes: quiet and active states. To this purpose, we use solar wind data as the forcing terms of the shell model, covering solar maximum and solar minimum periods. Then, we calculate the fractal dimension of the solar wind data for the thirteen years of the 23rd solar cycle and we compare this with the energy dissipation time series obtained from the shell model description. We discuss the correlation between the fractal dimension of the solar wind data and the corresponding energy dissipation rate.
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September 2018
Research Article|
September 06 2018
Study of the fractality of magnetized plasma using an MHD shell model driven by solar wind data
Macarena Domínguez;
Macarena Domínguez
1
Departamento de Física, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile
, 8370449 Santiago, Chile
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Giuseppina Nigro;
Giuseppina Nigro
2
Dipartimento di Fisica, Universita della Calabria
, 87036 Rende, CS, Italy
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Víctor Muñoz;
Víctor Muñoz
3
Departamento de Física, Facultad de Ciencias, Universidad de Chile
, 7800003 Santiago, Chile
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Vincenzo Carbone
Vincenzo Carbone
2
Dipartimento di Fisica, Universita della Calabria
, 87036 Rende, CS, Italy
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Phys. Plasmas 25, 092302 (2018)
Article history
Received:
April 09 2018
Accepted:
August 16 2018
Citation
Macarena Domínguez, Giuseppina Nigro, Víctor Muñoz, Vincenzo Carbone; Study of the fractality of magnetized plasma using an MHD shell model driven by solar wind data. Phys. Plasmas 1 September 2018; 25 (9): 092302. https://doi.org/10.1063/1.5034129
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