What is included with this book?
Preface | p. ix |
Nomenclature | p. xv |
Abbreviations | p. xvii |
Atomic Units | p. xix |
Introduction | p. 1 |
Preamble | p. 1 |
Historical Background | p. 5 |
Lennard-Jones' 1930 paper | p. 5 |
Brillouin's 1932 paper | p. 7 |
Wigner's 1935 paper | p. 8 |
Studies in perturbation theory | p. 10 |
Perturbation Theory | p. 12 |
Brilloun-Wigner perturbation theory | p. 12 |
Rayleigh-Schrbdinger perturbation theory | p. 14 |
Comparison of Brillouin-Wigner and Rayleigh-Schrödinger perturbation theories | p. 17 |
Advantages of the Brillouin-Wigner theory | p. 18 |
Disadvantages of the Brillouin-Wigner theory | p. 22 |
The Many-Body Problem | p. 25 |
Linear scaling | p. 25 |
The re-emergence of Brillouin-Wigner methods | p. 26 |
An overview | p. 32 |
References | p. 33 |
Brillouin-Wigner perturbation theory | p. 37 |
The Partitioning Technique | p. 37 |
The partitioning technique for a single-reference function | p. 38 |
Model function and projection operators | p. 38 |
An effective Hamiltonian | p. 39 |
The wave operator | p. 40 |
The reaction operator | p. 43 |
The partitioning technique for a multi-reference function | p. 44 |
Model functions and projection operators | p. 44 |
An effective Hamiltonian | p. 45 |
The wave operator | p. 47 |
The reaction operator | p. 48 |
Perturbation Expansions | p. 48 |
Single-reference function perturbation expansions | p. 48 |
Expansions of the inverse operator | p. 48 |
Rayleigh-Schrbdinger perturbation theory | p. 50 |
Brillouin-Wigner perturbation theory | p. 51 |
Generalized Brillouin-Wigner perturbation theory | p. 53 |
Derivation of Rayleigh-Schrödinger perturbation theory from the Brillouin-Wigner perturbation expansion | p. 56 |
Multi-reference function perturbation expansions | p. 58 |
Multi-reference Rayleigh-Schrödinger perturbation theory | p. 58 |
Multi-reference Brillouin-Wigner perturbation theory | p. 64 |
An n-state system | p. 66 |
References | p. 68 |
The many-body problem in atoms and molecules | p. 69 |
Linear Scaling in Many-Body Systems | p. 69 |
The exact electronic Schrödinger equation | p. 70 |
Independent particle models | p. 73 |
Many-body theories of electron correlation | p. 76 |
Many-Body Perturbation Theory | p. 77 |
Second-quantization formalism | p. 78 |
Second-quantization and the many-body problem | p. 78 |
Creation and annihilation operators and the occupation number representation | p. 81 |
Normal products, contractions and Wick's theorem | p. 87 |
Particle-hole formalism | p. 90 |
The Hamiltonian operator in normal form | p. 94 |
Many-body Rayleigh-Schrödinger perturbation theory | p. 94 |
The many-body problem and quasiparticles | p. 94 |
The algebraic approximation | p. 96 |
Many-body Rayleigh-Schrödinger perturbation theory | p. 98 |
Second-order contribution to the correlation energy | p. 101 |
Third-order contributions to the correlation energy | p. 108 |
Fourth-order contributions to the correlation energy | p. 109 |
Many-body perturbation theory | p. 110 |
Many-Body Theories for Atoms And Molecules | p. 113 |
The full configuration interaction method and limited configuration interaction | p. 114 |
Cluster expansions | p. 119 |
References | p. 129 |
Brillouin-Wigner methods for many-body systems | p. 133 |
Introduction | p. 133 |
Brillouin-Wigner Coupled Cluster Theory | p. 137 |
Single-reference Brillouin-Wigner coupled cluster theory | p. 137 |
Multi-reference Brillouin-Wignerxoupled cluster theory | p. 143 |
Multi-root formulation of multi-reference Brillouin-Wigner coupled cluster theory | p. 145 |
Multi-root multi-reference Brillouin-Wigner coupled cluster: Hilbert space approach | p. 148 |
Basic approximations employed in the multi-reference Brillouin-Wigner coupled cluster method | p. 152 |
Single-root formulation of the multi-reference Brillouin-Wigner coupled-cluster theory | p. 155 |
Single-root formulation of multi-reference Brillouin-Wigner perturbation theory | p. 156 |
Single-root multi-reference Brillouin-Wigner coupled cluster theory: Hilbert space approach | p. 158 |
Single-root multi-reference Brillouin-Wigner coupled cluster single- and double-excitations approximation | p. 159 |
Linear scaling corrections in Brillouin-Wigner coupled cluster theory | p. 162 |
Brillouin-Wigner Configuration Interaction Theory | p. 164 |
Single-reference Brillouin-Wigner configuration interaction theory | p. 167 |
Brillouin-Wigner perturbation theory and limited configuration interaction | p. 167 |
Rayleigh-Schrodinger perturbation theory and limited configuration interaction | p. 169 |
'Many-body' corrections for Brillouin-Wigner limited configuration interaction | p. 170 |
Multi-reference Brillouin-Wigner configuration interaction theory | p. 171 |
Multi-reference Brillouin-Wigner perturbation theory for limited configuration interaction | p. 171 |
A p-state system | p. 174 |
Multi-reference configuration interaction in Brillouin-Wigner form | p. 175 |
A posteriori Brillouin-Wigner correction to limited multi-reference configuration interaction | p. 176 |
Brillouin-Wigner Perturbation Theory | p. 177 |
Single-reference Brillouin-Wigner perturbation theory | p. 177 |
Multi-reference Brillouin-Wigner perturbation theory | p. 179 |
Multi-reference second-order Brillouin-Wigner perturbation theory | p. 179 |
A posteriori correction to multi-reference Brillouin-Wigner perturbation theory | p. 183 |
References | p. 184 |
Summary and prospects | p. 191 |
References | p. 197 |
Löwdin's studies in perturbation theory | p. 201 |
Proof of the time-independent Wick's theorem | p. 211 |
References | p. 213 |
Diagrammatic conventions | p. 215 |
Rayleigh-Schrbdinger perturbation theory | p. 221 |
References | p. 225 |
Index | p. 227; |
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