Amplification of magnetic fields by dynamo action in Gaussian-correlated helical turbulence
arXiv:0810.2950 · doi:10.1088/0031-8949/2008/T132/014028
Abstract
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.
7 pages, 3 figures