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Analytical structure of the wave-number-dependent susceptibility of many-fermion systems at low temperature and long wavelength. II
(1980-10/15)
For pt.I see ibid., vol.15, p.1523 (1977). It is shown that the nonanalytic structure of the wave-number-dependent susceptibility noted by Geldart and Rasolt is not removed by including repeated particle-particle scattering