Nuclear Physics & RIKEN Theory Seminar

"Inhomogeneous Gluon Condensates and Magnetic Fields in Color Superconductivity"

Presented by Efrain Ferrer, Western Illinois University

Tuesday, November 20, 2007, 2:00 pm — Small Seminar Room, Bldg. 510

In this talk I will discuss two color superconductors on which the generation of an inhomogeneous gluon condensate can remove the instability of the ground state. In the first part, I will consider a system in the presence of an external magnetic field and will show how the gluon condensate is formed at fields larger than a critical value. In the second part, I will discuss a case with no external magnetic field. Here, the inhomogeneous gluon condensation is the result of pairing stress in the framework of the two-flavor color superconductor. We will see that the gluon condensate in turn induces a magnetic field. Finally, I will discuss how the generation of a strong magnetic field in the dense cores of compact stellar objects can be of interest for the physics of magnetars.

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