QCD Seeds for Primordial Magnetic Fields

Details QCD Seeds for Primordial Magnetic Fields QCD Seeds for Primordial Magnetic Fields

Apr 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001fpu..conf..207f&link_type=abstract

FROM PARTICLES TO THE UNIVERSE. Proceedings of the Fifteenth Lake Louise Winter Institute. Held 20-26 February 2000 in Lake Loui

Physics

Scientific paper

In this talk we propose a mechanism through which large-scale magnetic fields with correlation lengths of 100 kpc may be formed. We suggest that these arise from primordial seed fields formed at the QCD phase transition where domain walls generate fields with Hubble scale correlations. Strong CP violation along the domain walls induces a non-zero helicity which allows these fields to propagate via an inverse-cascade to produce the 100 kpc correlations today.

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