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Friday 28 January 2011, 13:00-14:00
The seed magnetic field generated around recombination
- đ¤ Speaker: Cyril Pitrou, University of Portsmouth
- đ Date & Time: Friday 28 January 2011, 13:00 - 14:00
- đ Venue: Pavilion B Potter Room (B1.19)
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Dr Sebastien Renaux-Petel
Abstract
Magnetic fields are known to be present on very large scales in the universe. However their origin is still debated and a possibility would be from amplification of a seed magnetic field generated in the early universe. I will review how vortical currents generated around the protons-electrons recombination (z around 1000) can be responsible for the creation of such seed field and I will discuss numerical results about its amplitude.
Series This talk is part of the DAMTP Friday GR Seminar series.
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