I would like to know what are the main differences between the normal Fermi liquid theory and a marginal fermi liquid theory. What kind of systems can be described by the marginal liquid theory? What are the consequences of considering an electron gas as a marginal fermi liquid?

  • $\begingroup$ Paper in which marginal Fermi liquid is proposed: Phys. Rev. Lett. 63, 1996 (1989). $\endgroup$ – leongz Apr 1 '16 at 1:16

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