Bosonisation as the Hubbard-Stratonovich Transformation
arXiv:cond-mat/0112270
Abstract
The purpose of this Lecture is to demonstrate how the well-known results on Luttinger Liquid can be obtained with the use of the coherent state integral.
The final version of the lecture notes presented at Windsor NATO School on "Field Theory of Strongly Correlated Fermions and Bosons in Low-Dimensional Disordered Systems" (August 2001). Some references are added and minor mistakes are corrected