Preface | p. ix |
Introduction | p. 1 |
Phase transitions and order parameters | p. 1 |
Models: Ising, XY, Heisenberg | p. 3 |
Universality and critical exponents | p. 10 |
Scaling of free energy | p. 12 |
Correlations and hyperscaling | p. 19 |
Ginzburg-Landau-Wilson theory | p. 23 |
Partition function for interacting bosons | p. 23 |
Bose-Einstein condensation | p. 27 |
Hartree approximation | p. 30 |
Landau's mean-field theory | p. 34 |
Upper critical dimension | p. 40 |
Renormalization group | p. 43 |
Idea | p. 43 |
Momentum-shell transformation | p. 46 |
[epsi]-expansion | p. 53 |
Dangerously irrelevant coupling | p. 58 |
Corrections to scaling | p. 59 |
Field-theoretic perspective | p. 61 |
Computation of anomalous dimension | p. 65 |
Summary | p. 69 |
Superconducting transition | p. 77 |
Meissner effect | p. 77 |
Fluctuation-induced first-order transition | p. 81 |
Type-II superconductors near four dimensions | p. 85 |
Anomalous dimension for the gauge field | p. 92 |
Width of the critical region | p. 93 |
Near lower critical dimension | p. 97 |
Goldstone modes | p. 97 |
Mermin-Wagner-Hohenberg theorem | p. 99 |
Non-linear [sigma]-model | p. 102 |
Low-temperature expansion | p. 104 |
Discussion | p. 106 |
Kosterlitz-Thouless transition | p. 115 |
Vortices and spin waves | p. 115 |
Mean-field theory | p. 118 |
Duality and the sine-Gordon theory | p. 123 |
Renormalization of the sine-Gordon model | p. 131 |
Universal jump of superfluid density | p. 138 |
Heisenberg model | p. 140 |
Duality in higher dimensions | p. 147 |
Frozen lattice superconductor | p. 147 |
Confinement of magnetic monopoles | p. 152 |
Magnetic field correlations | p. 154 |
Compact electrodynamics | p. 156 |
Quantum phase transitions | p. 165 |
Dynamical critical exponent | p. 165 |
Quantum critical point in [Phi superscript 4]-theory | p. 168 |
Bose-Hubbard model | p. 174 |
Quantum fluctuations and the superfluid density | p. 181 |
Universal conductivity in two dimensions | p. 185 |
Hubbard-Stratonovich transformation | p. 195 |
Linked-cluster theorem | p. 197 |
Gauge fixing for long-range order | p. 199 |
Select bibliography | p. 203 |
Index | p. 209 |
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