This book is the third volume in an approximately annual series which comprises the proceedings of the International Workshops on Condensed Matter Theories. The first of these meetings took place in 1977 in Sao Paulo, Brazil, and successive workshops have been held in Trieste, Italy (1978), Buenos Aires, Argentina (1979), Caracas, Venezuela (1980), Mexico City, Mexico (1981), St. Louis, USA (1982), Altenberg, Federal Republic of Germany (1983), Granada, Spain (1984), San Francisco, USA (1985), and Argonne, USA (1986). The present volume contains the proceedings of the Eleventh Workshop which took place in Qulu, Finland during the period 27 July - 1 August, 1987. The original motivation and the historical evolution of the series of Workshops have been amply described in the preface to the first volume in the present series. An important objective throughout has been to work against the ever-present trend for physics to fragment into increasingly narrow fields of specialisation, between which communication is difficult. The Workshops have traditionally sought to emphasise the unity of physics. By bringing together scientists working in many different areas of condensed matter theory, for the dual purpose of fostering collaborations between them and promoting the exchange of ideas between various disciplines, a common language has been exposed and developed. The Editor of the first volume in the series, F. B.
Formal Methods.- Parquet Theory: the Diagrams.- Generalized Self-Consistent Field Equations for Multiple Pairs of Fermions.- The Anharmonic Oscillator Revisited.- Boson, Symplectic and Other Replicas for Simple Hamiltonians.- Towards a Coupled Cluster Gauge-Field Approach to Quantum Hydrodynamics.- On the Existence and Realization of Size-Extensive Effective Hamiltonian Theories for General Model Spaces.- Open-Shell Coupled-Cluster Studies of Atomic and Molecular Systems.- Variational Approximation to the Non-Hermitian Dyson Boson Hamiltonian.- On the Convergence of Cluster Expansions in Finite Nuclei.- Semiclassical Molecular Dynamics of Wavepackets in One-Dimensional Phase Space.- Quantum Fluids.- Theory of Neutron Scattering Experiments on Momentum Distributions in Quantum Fluids.- Excitations at High Momentum in Quantum Fluids.- Dynamic Structure Function of the Quantum Boson Fluid in the Jastrow Theory.- Lennard-Jones Boson Matter in the Thermodynamic Perturbation Scheme.- Semiquantum Gases: Quantum Collective Phenomena in Classical Temperature Range.- Electronic Systems and Solids.- Some Thoughts on the New High TC Superconductors.- Nature of Gigantic Resistance Fluctuations in Metal-Oxide-Semiconductor Wires.- The Formulation of Density Functional Theory.- The Energy Density Functional Theory: Present Status-Reflections.- Structures of Small Metal Clusters.- Generalized Gradient Approximations for Exchange and Correlation: Numerical Tests and Prospects.- Nuclear and High-Energy Many-Body Problems.- Effective Interactions and Elementary Excitations in Nuclear Matter.- The Particle-Hole Interaction in Finite Nuclei.- Role of Virtual Double Delta Components in Nuclei.- Characteristics of Pion-Condensed Neutron Stars — Pulsar Glitch and Supernova 1987A.- NÑ Annihilation in Terms of Quarks.- QCD as a Many-Body Problem and Aspects of Confinement.- Nucleon Mean-Free Path in Nuclear Matter.- Saturation in Nuclear Matter: A New Perspective.- Dynamics of Nonlinear Many-Body Systems.- Transition to Chaos in Asymmetric Neural Networks.- Local Dynamics, Correlation, and Phase Transitions — N-Body versus Nonlinear Quantum Optics.- Solitons in Nuclear Physics — A Review.- Probabilistic Neural Networks: In or Out of Equilibrium?.- Contributors and Participants.
Formal Methods.- Parquet Theory: the Diagrams.- Generalized Self-Consistent Field Equations for Multiple Pairs of Fermions.- The Anharmonic Oscillator Revisited.- Boson, Symplectic and Other Replicas for Simple Hamiltonians.- Towards a Coupled Cluster Gauge-Field Approach to Quantum Hydrodynamics.- On the Existence and Realization of Size-Extensive Effective Hamiltonian Theories for General Model Spaces.- Open-Shell Coupled-Cluster Studies of Atomic and Molecular Systems.- Variational Approximation to the Non-Hermitian Dyson Boson Hamiltonian.- On the Convergence of Cluster Expansions in Finite Nuclei.- Semiclassical Molecular Dynamics of Wavepackets in One-Dimensional Phase Space.- Quantum Fluids.- Theory of Neutron Scattering Experiments on Momentum Distributions in Quantum Fluids.- Excitations at High Momentum in Quantum Fluids.- Dynamic Structure Function of the Quantum Boson Fluid in the Jastrow Theory.- Lennard-Jones Boson Matter in the Thermodynamic Perturbation Scheme.- Semiquantum Gases: Quantum Collective Phenomena in Classical Temperature Range.- Electronic Systems and Solids.- Some Thoughts on the New High TC Superconductors.- Nature of Gigantic Resistance Fluctuations in Metal-Oxide-Semiconductor Wires.- The Formulation of Density Functional Theory.- The Energy Density Functional Theory: Present Status-Reflections.- Structures of Small Metal Clusters.- Generalized Gradient Approximations for Exchange and Correlation: Numerical Tests and Prospects.- Nuclear and High-Energy Many-Body Problems.- Effective Interactions and Elementary Excitations in Nuclear Matter.- The Particle-Hole Interaction in Finite Nuclei.- Role of Virtual Double Delta Components in Nuclei.- Characteristics of Pion-Condensed Neutron Stars - Pulsar Glitch and Supernova 1987A.- NÑ Annihilation in Terms of Quarks.- QCD as a Many-Body Problem and Aspects of Confinement.- Nucleon Mean-Free Path in Nuclear Matter.- Saturation in Nuclear Matter: A New Perspective.- Dynamics of Nonlinear Many-Body Systems.- Transition to Chaos in Asymmetric Neural Networks.- Local Dynamics, Correlation, and Phase Transitions - N-Body versus Nonlinear Quantum Optics.- Solitons in Nuclear Physics - A Review.- Probabilistic Neural Networks: In or Out of Equilibrium?.- Contributors and Participants.
Inhaltsverzeichnis
Formal Methods.- Parquet Theory: the Diagrams.- Generalized Self-Consistent Field Equations for Multiple Pairs of Fermions.- The Anharmonic Oscillator Revisited.- Boson, Symplectic and Other Replicas for Simple Hamiltonians.- Towards a Coupled Cluster Gauge-Field Approach to Quantum Hydrodynamics.- On the Existence and Realization of Size-Extensive Effective Hamiltonian Theories for General Model Spaces.- Open-Shell Coupled-Cluster Studies of Atomic and Molecular Systems.- Variational Approximation to the Non-Hermitian Dyson Boson Hamiltonian.- On the Convergence of Cluster Expansions in Finite Nuclei.- Semiclassical Molecular Dynamics of Wavepackets in One-Dimensional Phase Space.- Quantum Fluids.- Theory of Neutron Scattering Experiments on Momentum Distributions in Quantum Fluids.- Excitations at High Momentum in Quantum Fluids.- Dynamic Structure Function of the Quantum Boson Fluid in the Jastrow Theory.- Lennard-Jones Boson Matter in the Thermodynamic Perturbation Scheme.- Semiquantum Gases: Quantum Collective Phenomena in Classical Temperature Range.- Electronic Systems and Solids.- Some Thoughts on the New High TC Superconductors.- Nature of Gigantic Resistance Fluctuations in Metal-Oxide-Semiconductor Wires.- The Formulation of Density Functional Theory.- The Energy Density Functional Theory: Present Status-Reflections.- Structures of Small Metal Clusters.- Generalized Gradient Approximations for Exchange and Correlation: Numerical Tests and Prospects.- Nuclear and High-Energy Many-Body Problems.- Effective Interactions and Elementary Excitations in Nuclear Matter.- The Particle-Hole Interaction in Finite Nuclei.- Role of Virtual Double Delta Components in Nuclei.- Characteristics of Pion-Condensed Neutron Stars ¿ Pulsar Glitch and Supernova 1987A.- NÑ Annihilation in Terms of Quarks.- QCD as a Many-Body Problem and Aspects of Confinement.- Nucleon Mean-Free Path in Nuclear Matter.- Saturation in Nuclear Matter: A New Perspective.- Dynamics of Nonlinear Many-Body Systems.- Transition to Chaos in Asymmetric Neural Networks.- Local Dynamics, Correlation, and Phase Transitions ¿ N-Body versus Nonlinear Quantum Optics.- Solitons in Nuclear Physics ¿ A Review.- Probabilistic Neural Networks: In or Out of Equilibrium?.- Contributors and Participants.
Klappentext
This book is the third volume in an approximately annual series which comprises the proceedings of the International Workshops on Condensed Matter Theories. The first of these meetings took place in 1977 in Sao Paulo, Brazil, and successive workshops have been held in Trieste, Italy (1978), Buenos Aires, Argentina (1979), Caracas, Venezuela (1980), Mexico City, Mexico (1981), St. Louis, USA (1982), Altenberg, Federal Republic of Germany (1983), Granada, Spain (1984), San Francisco, USA (1985), and Argonne, USA (1986). The present volume contains the proceedings of the Eleventh Workshop which took place in Qulu, Finland during the period 27 July - 1 August, 1987. The original motivation and the historical evolution of the series of Workshops have been amply described in the preface to the first volume in the present series. An important objective throughout has been to work against the ever-present trend for physics to fragment into increasingly narrow fields of specialisation, between which communication is difficult. The Workshops have traditionally sought to emphasise the unity of physics. By bringing together scientists working in many different areas of condensed matter theory, for the dual purpose of fostering collaborations between them and promoting the exchange of ideas between various disciplines, a common language has been exposed and developed. The Editor of the first volume in the series, F. B.
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