Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-01-24
Nucl.Phys. A619 (1997) 321-345
Physics
High Energy Physics
High Energy Physics - Phenomenology
37 pages, 10 PostScript figures, Latex
Scientific paper
10.1016/S0375-9474(97)00142-5
We present two novel dynamical features of flux tubes in the Friedberg-Lee model. First the fusion of two (anti-)parallel flux tubes, where we extract a string-string interaction potential which has a qualitative similarity to the nucleon-nucleon potential in the Friedberg-Lee model obtained by Koepf et al. Furthermore we show the dynamical breakup of flux tubes via $q\bar{q}-$particle production and the disintegration into mesons. We find, as a shortcoming of the present realization of the model, that the full dynamical transport approach presented in a previous publication fails to provide the disintegration mechanism in the semiclassical limit. Therefore, in addition, we present here a molecular dynamical approach for the motion of the quarks and show, as a first application, the space-time development of the quarks and their mean-fields for Lund-type string fragmentation processes.
Greiner Carsten
Loh S.
Mosel Ulrich
Thoma Markus H.
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