Optimized δ expansion for relativistic nuclear models
نویسندگان
چکیده
The optimized δ-expansion is a nonperturbative approach for field theoretic models which combines the techniques of perturbation theory and the varia-tional principle. This technique is discussed in the λφ 4 model and then implemented in the Walecka model for the equation of state of nuclear matter. The results obtained with the δ expansion are compared with those obtained with the traditional mean field, relativistic Hartree and Hartree-Fock approximations .
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تاریخ انتشار 1997