Amplification of magnetic fields by dynamo action in Gaussian-correlated helical turbulence

Details Amplification of magnetic fields by dynamo action in Gaussian-correlated helical turbulence Amplification of magnetic fields by dynamo action in Gaussian-correlated helical turbulence

2008-10-16

arxiv.org/abs/0810.2950v1

Physica Scripta, v. 132, p. 014028 (2008)

Astronomy and Astrophysics

Astrophysics

7 pages, 3 figures

Scientific paper

10.1088/0031-8949/2008/T132/0140

We investigate the growth and structure of magnetic fields amplified by kinematic dynamo action in turbulence with non-zero kinetic helicity. We assume a simple Gaussian velocity correlation tensor, which allows us to consider very large magnetic Reynolds numbers, up to one trillion. We use the kinematic Kazantsev-Kraichnan model of dynamo and find a complete numerical solution for the correlation functions of growing magnetic fields.

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