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Princeton University Library Catalog
Regularity and approximability of electronic wave functions / Harry Yserentant.
Heidelberg ; New York : Springer, 2010.
viii, 182 pages : illustrations ; 24 cm
Lecture notes in mathematics (Springer-Verlag) ; 2000.
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Lecture notes in mathematics, 0075-8434 ; 2000
The electronic Schrödinger equation describes the motion of N-electrons under Coulomb interaction forces in a field of clamped nuclei. The solutions of this equation, the electronic wave functions, depend on 3N variables, with three spatial dimensions for each electron. Approximating these solutions is thus inordinately challenging, and it is generally believed that a reduction to simplified models, such as those of the Hartree-Fock method or density functional theory, is the only tenable approach. This book seeks to show readers that this conventional wisdom need not be ironclad: the regularity of the solutions, which increases with the number of electrons, the decay behavior of their mixed derivatives, and the antisymmetry enforced by the Pauli principle contribute properties that allow these functions to be approximated with an order of complexity which comes arbitrarily close to that for a system of one or two electrons. The text is accessible to a mathematical audience at the beginning graduate level as well as to physicists and theoretical chemists with a comparable mathematical background and requires no deeper knowledge of the theory of partial differential equations, functional analysis, or quantum theory.
Includes bibliographical references and index.
The Basics of Quantum Mechanics
The Electronic Schrödinger Equation
Spectrum and Exponential Decay
Existence and Decay of Mixed Derivatives
Convergence Rates and Complexity Bounds
The Radial-Angular Decomposition.
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Regularity and Approximability of Electronic Wave Functions [electronic resource] / by Harry Yserentant.
Regularity and approximability of electronic wave functions [electronic resource] / Harry Yserentant.