| Preface | p. viii |
| Introduction | p. 1 |
| Lattice models in theoretical physics | p. 1 |
| Examples and applications | p. 1 |
| The important questions | p. 10 |
| Series expansion methods | p. 14 |
| Analysis of series | p. 19 |
| High- and low-temperature expansions for the Ising model | p. 26 |
| Introduction | p. 26 |
| Graph generation and computation of lattice constants | p. 30 |
| A case study: high-temperature susceptibility for the Ising model on the simple cubic lattice | p. 36 |
| Low-temperature expansion | p. 39 |
| Reducing the number of graphs | p. 42 |
| More on Ising models | p. 47 |
| Models with continuous symmetry and the free graph expansion | p. 53 |
| Introduction | p. 53 |
| The free graph expansion | p. 55 |
| The plane rotator (N = 2) model | p. 66 |
| Analysis of the N = 2 susceptibility | p. 69 |
| Discussion | p. 72 |
| Quantum spin models at T = 0 | p. 74 |
| Introduction | p. 74 |
| Linked cluster expansions | p. 74 |
| An example: the transverse field Ising model in one dimension | p. 78 |
| Magnetization and susceptibility | p. 82 |
| One-particle excitations | p. 84 |
| The transverse field Ising model in two and three dimensions | p. 92 |
| Quantum antiferromagnets at T = 0 | p. 99 |
| Introduction: simple antiferromagnets | p. 99 |
| Dimerized systems and quantum phase transitions | p. 106 |
| The J[subscript 1]-J[subscript 2] square lattice antiferromagnet | p. 112 |
| Other systems | p. 118 |
| Open questions | p. 122 |
| Correlators, dynamical structure factors and multi-particle excitations | p. 124 |
| Introduction | p. 124 |
| Two-spin correlators for the Heisenberg antiferromagnet | p. 125 |
| Dynamical and static structure factors | p. 126 |
| Two-particle and multi-particle excitations | p. 134 |
| Two-particle structure factors | p. 145 |
| Summary and further work | p. 147 |
| Quantum spin models at finite temperature | p. 150 |
| Introduction | p. 150 |
| Derivation of high-temperature series | p. 151 |
| The cubic (SC and BCC) lattices | p. 165 |
| Generalizations | p. 168 |
| Perturbation expansions at finite T | p. 169 |
| Further applications | p. 175 |
| Fitting to experimental data | p. 176 |
| Electronic models | p. 179 |
| Introduction | p. 179 |
| The Hubbard model | p. 180 |
| The t-J model | p. 197 |
| Further topics and possibilities | p. 209 |
| Review of lattice gauge theory | p. 211 |
| Quantum chromodynamics | p. 211 |
| The path integral approach to field theory | p. 214 |
| Euclidean lattice gauge theory | p. 217 |
| Confinement and phase structure on the lattice | p. 219 |
| Renormalization theory and the continuum limit | p. 221 |
| Monte Carlo simulations | p. 222 |
| Including fermions on the lattice | p. 225 |
| The Hamiltonian lattice formulation | p. 227 |
| Conclusions | p. 228 |
| Series expansions for lattice gauge models | p. 230 |
| Strong coupling expansions for Euclidean lattice Yang-Mills theory | p. 230 |
| Strong coupling expansions in Hamiltonian Yang-Mills theory | p. 244 |
| Models with dynamical fermions | p. 251 |
| The t-expansion | p. 259 |
| Conclusions | p. 263 |
| Additional topics | p. 265 |
| Disordered systems | p. 265 |
| Other series expansion methods | p. 274 |
| Some graph theory ideas | p. 283 |
| The 'pegs in holes' algorithm | p. 286 |
| Free graph expansion technicalities | p. 288 |
| Matrix perturbation theory | p. 291 |
| Matrix block diagonalization | p. 294 |
| The moment-cumulant expansion | p. 297 |
| Integral equation approach to the two-particle Schrodinger equation | p. 299 |
| Correspondences between field theory and statistical mechanics | p. 304 |
| Computer programs | p. 307 |
| Bibliography | p. 311 |
| Index | p. 324 |
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