Nucleon Polarizabilities: Theory
arXiv:1105.4454 · doi:10.1140/epjst/e2011-01494-y
Abstract
We review recent developments in the theoretical investigation of the nucleon polarizabilities. We first report on the static polarizabilities as measured in real Compton scattering, comparing and interpreting the results from various theoretical approaches. In a second step, we extend the discussion to the generalized polarizabilities which can be accessed in virtual Compton scattering, showing how the information encoded in these quantities can provide a spatial interpretation of the induced polarization densities in the nucleon.
17 pages, 7 figures, 1 Table; proceedings of "Many-Body Structure of Strongly Interacting Systems", Mainz, Germany, Feb. 23-25 2011 (to appear in EPJ Special Topics)
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