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The dynamo effect - a dynamic renormalisation group approach

Basu, A and Bhattacharjee, JK (1999) The dynamo effect - a dynamic renormalisation group approach. In: EPL: Europhysics Letters, 46 (2). 183-189 .

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Official URL: http://iopscience.iop.org/0295-5075/47/1/130


The dynamo effect is used to describe the generation of magnetic fields in astrophysical objects. However, no rigorous derivation of the dynamo equation is available. We justify the form of the equation using an Operator Product Expansion (OPE) of the relevant fields. We also calculate the coefficients of the OPE series using a dynamic renormalisation group approach and discuss the time evolution of the initial conditions on the initial seed magnetic field.

Item Type: Journal Article
Publication: EPL: Europhysics Letters
Publisher: EDP Sciences
Additional Information: Copyright of this article belongs to EDP Sciences.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 02 Jul 2011 05:51
Last Modified: 02 Jul 2011 05:51
URI: http://eprints.iisc.ac.in/id/eprint/38846

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