Speaker
Prof.
Kandaswamy Subramanian
Description
The talk discusses the possibility that cosmic magnetic fields can
originate in the early universe. Primordial fields could be
generated during one of the early universe phase transitions like,
inflation or the elctroweak/QCD phase transitions. We discuss
these possibilities, their subsequent evolution, and the possible
signals they leave on the Cosmic microwave background and on
the high redshift universe. Such primordial fields could also
provide seed magnetic fields for the dynamo, and explain the
fields which have been recently claimed to be present in the large
scale voids.
