Physics – Condensed Matter
Scientific paper
1998-12-06
Physics
Condensed Matter
submitted to EPL
Scientific paper
10.1209/epl/i1999-00543-x
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.
Basu Abhik
Bhattacharjee Jayanta K.
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