Splitting The Gluon?

Details Splitting The Gluon? Splitting The Gluon?

2005-04-05

arxiv.org/abs/hep-ph/0504034v2

Phys.Rev. D72 (2005) 054007

Physics

High Energy Physics

High Energy Physics - Phenomenology

Improved discussion of magnetic nature of phases; removed unsubstantiated speculation about color confinement

Scientific paper

10.1103/PhysRevD.72.054007

In the strongly correlated environment of high-temperature cuprate superconductors, the spin and charge degrees of freedom of an electron seem to separate from each other. A similar phenomenon may be present in the strong coupling phase of Yang-Mills theories, where a separation between the color charge and the spin of a gluon could play a role in a mass gap formation. Here we study the phase structure of a decomposed SU(2) Yang-Mills theory in a mean field approximation, by inspecting quantum fluctuations in the condensate which is formed by the color charge component of the gluon field. Our results suggest that the decomposed theory has an involved phase structure. In particular, there appears to be a phase which is quite reminiscent of the superconducting phase in cuprates. We also find evidence that this phase is separated from the asymptotically free theory by an intermediate pseudogap phase.

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