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Full Description
The aim of this book is to introduce a graduate student to selected concepts in condensed matter physics for which the language of field theory is ideally suited. The examples considered in this book are those of superfluidity for weakly interacting bosons, collinear magnetism, and superconductivity. Quantum phase transitions are also treated in the context of quantum dissipative junctions and interacting fermions constrained to one-dimensional position space. The style of presentation is sufficiently detailed and comprehensive that it only presumes familiarity with undergraduate physics.
Contents
Harmonic Crystals; Bogoliubov Theory of a Dilute Bose Gas; Non-Linear-Sigma Models; Kosterlitz - Thouless Transition; Non-Interacting Fermions; Jellium Model for Electrons in a Solid; Superconductivity in the Mean-Field and RPA Approximations; A Single Dissipative Josephson Junction; Abelian Bosonization in Two Space and Time Dimensions.