Self-consistent Approach to Off-Shell Transport

Details Self-consistent Approach to Off-Shell Transport Self-consistent Approach to Off-Shell Transport

2003-03-03

arxiv.org/abs/nucl-th/0303006v3

Physics

Nuclear Physics

Nuclear Theory

35 pages, submitted to issue of Phys. Atom. Nucl. dedicated to S.T. Belyaev on the occasion of his 80th birthday. Few referenc

Scientific paper

10.1134/1.1619502

The properties of two forms of the gradient expanded Kadanoff--Baym equations, i.e. the Kadanoff--Baym and Botermans-Malfliet forms, suitable to describe the transport dynamics of particles and resonances with broad spectral widths, are discussed in context of conservation laws, the definition of a kinetic entropy and the possibility of numerical realization. Recent results on exact conservations of charge and energy-momentum within Kadanoff-Baym form of quantum kinetics based on local coupling schemes are extended to two cases relevant in many applications. These concern the interaction via a finite range potential, and, relevant in nuclear and hadron physics, e.g. for the pion--nucleon interaction, the case of derivative coupling.

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