Soliton solutions of the improved quark mass density-dependent model at finite temperature

Details Soliton solutions of the improved quark mass density-dependent model at finite temperature Soliton solutions of the improved quark mass density-dependent model at finite temperature

2006-06-22

arxiv.org/abs/hep-ph/0606239v2

Phys.Rev. C74 (2006) 055204

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 9 figures; Version to appear in Physical Review C

Scientific paper

10.1103/PhysRevC.74.055204

The improved quark mass density-dependent model (IQMDD) based on soliton bag model is studied at finite temperature. Appling the finite temperature field theory, the effective potential of the IQMDD model and the bag constant $B(T)$ have been calculated at different temperatures. It is shown that there is a critical temperature $T_{C}\simeq 110 \mathrm{MeV}$. We also calculate the soliton solutions of the IQMDD model at finite tmperature. It turns out that when $TT_{C}$ the bag constant $B(T)=0$ and there is no soliton solution, therefore, the confinement of quarks are removed quickly.

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