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Turbulence and dynamo interlinks

  • E. M. de Gouveia Dal Pino (a1), R. Santos-Lima (a1), G. Kowal (a1) and D. Falceta-Gonçalves (a2)

Abstract

The role of turbulence in astrophysical environments and its interplay with magnetic fields is still highly debated. In this lecture, we will discuss this issue in the framework of dynamo processes. We will first present a very brief summary of turbulent dynamo theories, then will focus on small scale turbulent dynamos and their particular relevance on the origin and maintenance of magnetic fields in the intra-cluster media (ICM) of galaxies. In these environments, the very low density of the flow requires a collisionless-MHD treatment. We will show the implications of this approach in the turbulent amplification of the magnetic fields in these environments. To finalize, we will also briefly address the connection between MHD turbulence and fast magnetic reconnection and its possible implications in the diffusion of magnetic flux in the dynamo process.

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Turbulence and dynamo interlinks

  • E. M. de Gouveia Dal Pino (a1), R. Santos-Lima (a1), G. Kowal (a1) and D. Falceta-Gonçalves (a2)

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