Luttinger's Theorem and Bosonization of the Fermi Surface

Abstract

A course of four lectures given at the International School of Physics "Enrico Fermi", Varenna, Italy, July 1992, in which the underlying algebraic structure needed for bosonization of the Fermi surface in two- or three-dimensions was first described. This is an unchanged 1993 preprint version of a published but hard-to-find (and often mis-cited) 1994 article in the Varenna Summer School proceedings. The d > 1 dimensional generalization of the Kac-Moody algebra on the Fermi surface is presented, and the Gaussian reduction of the Fermi liquid to harmonic oscilator modes is derived. One-dimensional bosonization and the symmetries of spin-charge separation are also reviewed.

17 pages, 0 figures; A 1993 preprint form of a published but hard-to-find article based on lectures presented at the International School of Physics "Enrico Fermi", Varenna, Italy, July 1992

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