Friday, April 21, 2006, 2:00 pm — Small Seminar Room, Bldg. 510
This talk will focus on the effects of an external magnetic field in a color superconductor. In three-flavors color superconductivity the electromagnetic field mixes up with one gluon to give rise to a long-range, "in medium" or "rotated" electromagnetic field. Because of this, an externally applied magnetic field penetrates the color superconductor as a "rotated" magnetic field. At weak magnetic fields, the preferred phase for three massless flavors is the Color-Flavor-Locking (CFL) phase. However, for strong magnetic fields the structure and magnitude of the gap is changed producing the so-called Magnetic CFL, which is characterized by different low-energy physics. Details of the MCFL phase will be presented. Some recent results on the effects of a "rotated" magnetic field on the gluon dynamics and the subsequent ground state restructuring will be briefly discussed at the end of the talk.
Hosted by: Anna Stasto
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