Dynamics of Phase Transition Including Quark-Fragment Effects foran Expansion Quark-Gluon Plasma

  • (1+1) dimensional relativistic hydrodynamics equation with a source term iacludiag the quarktfragment effects a is numerically solved and the evolution of the energy density, flow rapidity and baryon number density as the characteristic values of the phase transition which is possible to be produced in the nuclear collisions at extreme high energy are also analysed. The quark-fragment effects in the source term are described by using the phenomenal SU(3 ) string model with a flavor dynamics. The numerical results are compared with Kajantie's, s data. It illustrates indirectly that the results are in agreement with the experimental data. The physics picture of our model presented in this paper shows that this phenomenological self-consistent model is reasonable.
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  • [1] K. Kajantie, H. I. Miettinen, Z. iPhys/i., C9(1981)341; Laszlo P. Csernai, iPhys/i. iRev/i., D29(1984)1945; C. Cale, J. Kapusta, iNucl/i. iPhys/i., A471(1987)350.[2]S. A. Chin, iPhys/i. iLett/i., 78B(1978)552.[3]D. Bjoken, iPhys/i. iRev/i., D27(1983)140.[4]I. L. Rozental, iSov/i. iPhys/i., iUPS/i., 18(1975)430.[5]G. Baym, B. L. Friman, J. P. Blaizot iet al/i., iNucl/i. iPhys/i., A407(1983)541.[6]K. Kajantie, R. Ratio, P. V. Ruuskanzen, iNucl/i. iPhys/i., B222(1983)152.[7]H. W. Barz, B. L. Friman, J. Knoll iet al/i., iNucl/i. iPhys/i., A484(1988)661[9]D. Potter, Computational Physics (John Wiley Sons, London, 1973) p.67.
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Li Panlin, Wu Hua and Xu Mengjie. Dynamics of Phase Transition Including Quark-Fragment Effects foran Expansion Quark-Gluon Plasma[J]. Chinese Physics C, 1997, 21(10): 918-925.
Li Panlin, Wu Hua and Xu Mengjie. Dynamics of Phase Transition Including Quark-Fragment Effects foran Expansion Quark-Gluon Plasma[J]. Chinese Physics C, 1997, 21(10): 918-925. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Dynamics of Phase Transition Including Quark-Fragment Effects foran Expansion Quark-Gluon Plasma

    Corresponding author: Li Panlin,
  • Department of physics, Suzhou Railway Normal College, Suzhou 2150092 Department of Mathematics, Shanghai University, shanghai 201800

Abstract: (1+1) dimensional relativistic hydrodynamics equation with a source term iacludiag the quarktfragment effects a is numerically solved and the evolution of the energy density, flow rapidity and baryon number density as the characteristic values of the phase transition which is possible to be produced in the nuclear collisions at extreme high energy are also analysed. The quark-fragment effects in the source term are described by using the phenomenal SU(3 ) string model with a flavor dynamics. The numerical results are compared with Kajantie's, s data. It illustrates indirectly that the results are in agreement with the experimental data. The physics picture of our model presented in this paper shows that this phenomenological self-consistent model is reasonable.

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