3D two-color QCD at finite temperature and baryon density

Details 3D two-color QCD at finite temperature and baryon density 3D two-color QCD at finite temperature and baryon density

2003-06-23

arxiv.org/abs/hep-ph/0306220v1

Nucl.Phys. B670 (2003) 307-328

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pp, 1 fig

Scientific paper

10.1016/j.nuclphysb.2003.07.024

We study the phase diagram for two-color QCD in three-dimensional spacetime, as a function of temperature and baryon chemical potential, using the low-energy effective Lagrangian approach. We show one-loop renormalizability at zero temperature, and then use the one-loop effective Lagrangian at finite temperature and chemical potential to show that at low temperature there is a critical line separating the normal and diquark phase, with this critical line ending at a tricritical point. This phase structure is qualitatively similar to that found recently by Splittorff et al for two-color QCD in four-dimensional spacetime, although the details are quite different, due to the different symmetries and the different loop and infrared properties of three-dimensional spacetime.

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