Münster 2002 – wissenschaftliches Programm

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HK: Physik der Hadronen und Kerne

HK 29: Theory IV

HK 29.3: Vortrag

Mittwoch, 13. März 2002, 14:45–15:00, A

Nucleon Spectral Function by Transport Theory — •Jürgen Lehr, Horst Lenske, Stefan Leupold, and Ulrich Mosel — Institut für Theoretische Physik, Universität Gießen, Germany

We calculate the nucleon spectral function in nuclear matter using the relation between collision rates and correlation functions known from quantum transport theory. Contributions to the correlational self energy of 2p1h and 1p2h structure are considered. For the calculations we use a constant matrix element. The obtained spectral functions und momentum distributions are in good agreement with results from many-body calculations, thus indicating that the hole-type spectral function is dominated by the average short-range correlation strength. First results from the implementation of the spectral function into our BUU transport model are discussed.

Work supported by BMBF and DFG.