Titlebook: Condensed Matter Theories; Jouko S. Arponen,R. F. Bishop,Matti Manninen Book 1988 Plenum Press, New York 1988 condensed matter.energy.meta

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On the Convergence of Cluster Expansions in Finite NucleiIn spite of its deep interest, the Jastrow variational method has been scarcely applied to the description of finite nuclear systems.

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Nature of Gigantic Resistance Fluctuations in Metal-Oxide-Semiconductor WiresWe summarize the experimental observations and the current theoretical understanding of resistance fluctuations in one-dimensional metal-oxide-semiconductor field-effect transistors.

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The Energy Density Functional Theory: Present Status-ReflectionsIn this year all many-body theorists celebrate the 60th anniversary of the energy density functional theory. Sixty years ago, in 1927 Thomas. and Fermi. proposed independently the approximate, statistical model for a many-electron atom christened later by their names - the Thomas-Fermi model - and originated the modern rigorous theory.

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Parquet Theory: The Diagramsdiagrammatic structure of parquet theory. In comparison with previous diagrammatic discussions at this series of workshop[l] or elsewhere [2,3], this paper will derive the final form of the parquet equations (a new result) using simpler methods than the earlier work. The presentation will also be se

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The Anharmonic Oscillator Revisiteds non trivial features: ordinary perturbation theory (expansion into powers of .) breaks down; it may be used as a starting point for .. field theories and for testing Monte Carlo methods. On the other hand, it can be solved exactly either by matrix diagonalization in the harmonic oscillator basis o

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Boson, Symplectic and Other Replicas for Simple Hamiltonianstion in the coupled cluster formalism and its extension to excited states is straightforward. Then we construct sets of equivalent Hamiltonians (boson or symplectic replicas) that produce the same secular problem. In general they are not manifestly Hermitian. We show how to deal with this problem an

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Open-Shell Coupled-Cluster Studies of Atomic and Molecular Systemsegenerate systems, with highly satisfactory results.. The CCSD approximation,. in which single and double excitations are included to all orders, is usually employed; a few calculations including the effect of triple excitations (CCSDT) have appeared recently.. The theory becomes considerably more c