Functional approach to the electromagnetic response function: the Longitudinal Channel

Abstract

In this paper we address the (charge) longitudinal electromagnetic response for a homogeneous system of nucleons interacting via meson exchanges in the functional framework. This approach warrants consistency if the calculation is carried on order-by-order in the mesonic loop expansion with RPA-dressed mesonic propagators. At the 1-loop order and considering pion, rho and omega exchanges we obtain a quenching of the response, in line with the experimental results.

RevTeX, 18 figures available upon request - to be published in Physical Review C

Cited by in corpus (4)

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• The $\Delta$-excitation in the nuclear charge longitudinal response
• Static properties of nuclear matter within the Boson Loop Expansion
• The Longitudinal and Transverse responses in inclusive electron scattering within the RPA framework