Objective
The main objectives of this project are:
to investigate the formation of the magnetic turbulence spectrum in the magnetotail by means of the an analytical study based on the use of fractal methods;
to investigate the formation of the same magnetic turbulence by means of numerical simulations;
to analyze the effect of the magnetic turbulence on the plasma properties in the distant magnetotail by means of analytical and numerical methods.
To study these problems a magnetic configuration consisting of a magnetic field reversal and power-law spectrum of magnetic perturbations will be assumed. By injecting particles in this configuration the plasma properties will be obtained by means of numerical integration of particle trajectories. Then the moments of plasma distribution function will be calculated as a function of the different parameters (fluctuation level, cross-tail electric field value). Particle random walk and electron contribution will also be considered.
The features of the magnetic turbulence (slope of the spectrum and roll-over wave numbers) will be estimated with the help of the fractal analyses of the magnetic field and current topology in the planetary magnetotails. This involves the use of concepts of the fractal geometry, percolation theory and differential topology.
The numerical simulation of the magnetic turbulence will be made by use of a magnetohydrodynamic compressible code, which will include finite Larmor radius effects. At a more advanced stage a code, which solves directly the Vlasov equation, will be used.
The results of different approaches will be compared to each other and to the observational data given by several space missions (Interball, Geotail, ISEE).
The main result of the present project will be the understanding of the role played by different physical effects on the global structure of the planetary magnetotails.
Fields of science (EuroSciVoc)
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
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Coordinator
87030 Rende (Cosenza)
Italy
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.