Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2004-05-27
Physics
Nuclear Physics
Nuclear Theory
Ph.D. thesis, 146 pages, 13 figures
Scientific paper
In this thesis, several color-superconducting phases where quarks of the same flavor form Cooper pairs are investigated. In these phases, a Cooper pair carries total spin one. A systematic classification of theoretically possible phases, discriminated by the color-spin structure of the order parameter and the respective symmetry breaking pattern, is presented. In the weak-coupling limit, i.e., for asymptotically high densities, a universal form of the QCD gap equation is derived, applicable to arbitrary color-superconducting phases. It is applied to several spin-one and spin-zero phases in order to determine their energy gaps and critical temperatures. In some of the spin-one phases the resulting gap function is anisotropic and has point or line nodes. It is shown that the phases with two different gaps violate the well-known BCS relation between the critical temperature and the zero-temperature gap. Moreover, the screening properties of color superconductors regarding gluons and photons are discussed. In particular, it turns out that, contrary to spin-zero color superconductors, spin-one color superconductors exhibit an electromagnetic Meissner effect. This property is proven by symmetry arguments as well as by an explicit calculation of the gluon and photon Meissner masses.
No associations
LandOfFree
Spin-one Color Superconductivity in Cold and Dense Quark Matter does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Spin-one Color Superconductivity in Cold and Dense Quark Matter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spin-one Color Superconductivity in Cold and Dense Quark Matter will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-270478