Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1998-12-10
Prog.Part.Nucl.Phys. 42 (1999) 53-64
Physics
Nuclear Physics
Nuclear Theory
Talk presented on the Erice School on Nuclear Physics, Erice, Italy, Sept. 17 - 25, 1998 to be published in Progress in Partic
Scientific paper
10.1016/S0146-6410(99)00060-5
Correlation effects in nuclear matter at finite temperatures are studied for subnuclear densities ($\rho<\rho_0$) and medium excitation energy, where a nonrelativistic potential approach is possible. A quantum statistical approach is given, where clusters are treated under the influence of a clustered medium treated within a mean field approximation. Spectral functions, in-medium cross sections, and reaction rates are considered as well as the formation of a quantum condensate. In particluar, exploratory calculations are shown with respect to the pseudo gap in the nucleon level density close to the superfluid phase transition. Estimates of isospin singlet pairing and quartetting in nuclear binding energies are given.
Roepke Gerd
Schnell Anneliese
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