Landau theory of Fermi liquids reformulated

Ch.G. van Weert, M.C.J. Leermakers and A.M.J. Schakel

Physica A: Statistical Mechanics and its Applications, 1986, vol. 138, issue 3, 404-414

Abstract: The Landau theory of Fermi liquids is reformulated by taking the thermodynamic potential, rather than the energy density, as the primary concept. This leads to a new definition of the quasiparticle interaction function which can be identified with the physical forward scattering amplitude of two quasiparticles. In addition, the new formalism provides a concise derivation of the Pomeranchuk stability conditions and the expressions for the response functions in the degenerate limit.

Date: 1986
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:138:y:1986:i:3:p:404-414

DOI: 10.1016/0378-4371(86)90024-5

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