Relativistic hydrodynamics for heavy-ion collisions .2. Compression of nuclear matter and the phase transition to the quark-gluon plasma

被引:106
作者
Rischke, DH [1 ]
Pursun, Y [1 ]
Maruhn, JA [1 ]
机构
[1] UNIV FRANKFURT, INST THEORET PHYS, D-60054 FRANKFURT, GERMANY
关键词
D O I
10.1016/0375-9474(95)00356-3
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
We investigate the compression of nuclear matter in relativistic hydrodynamics. Nuclear matter is described by a sigma-omega-type model for the hadron matter phase and by the MIT bag model for the quark-gluon plasma, with a first order phase transition between both phases. In the presence of phase transitions, hydrodynamical solutions change qualitatively, for instance, one-dimensional stationary compression is no longer accomplished by a single shock but via a sequence of shock and compressional simple waves. We construct the analytical solution to the ''slab-on-slab'' collision problem over a range of incident velocities. The performance of numerical algorithms to solve relativistic hydrodynamics is then investigated for this particular test case. Consequences for the early compressional stage in heavy-ion collisions are pointed out.
引用
收藏
页码:383 / 408
页数:26
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