Functional Techniques in the Many-Body Problem the Longitudinal Nuclear Response Function
作者： R. Cenni
DOI: 10.1007/978-1-4615-3686-4_35
关键词: Path integral formulation 、 Calculus 、 Many-body problem 、 Computer science 、 Effective action
摘要: The purpose of this talk is twofold. By one side I want to show that functional techinques, besides the possibility directly evaluating path integrals (lattice calculations), are quite powerful in selecting new approximation schemes which, likely, induce strong cancellations between various terms and do not violate essential properties theory, like sum rules or general theorems. As a second goal, apply these scheme well defined problem nuclear physics, namely longstanding up now yet unsolved question longitudinal response nucleus an electromagnetic probe. results wish present here come from collaboration with profs. W.M. Alberico A. Molinari (Torino University I.N.F.N.) dr. P. Saracco (Genova I.N.F.N.).
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