Download Computational Nuclear Physics 1: Nuclear Structure by M. Vallières, H. Wu (auth.), Prof. K. Langanke, Prof. PDF

By M. Vallières, H. Wu (auth.), Prof. K. Langanke, Prof. Joachim A. Maruhn, Prof. S. E. Koonin (eds.)

A number of commonplace difficulties in theoretical nuclear-structure physics is addressed through the well-documented desktop codes awarded during this publication. every one of these codes have been to be had in the past simply via own touch. the subject material levels from microscopic types (the shell, Skyrme-Hartree-Fock, and cranked Nilsson versions) via collective excitations (RPA, IBA, and geometric version) to the relativistic impulse approximation, three-body calculations, variational Monte Carlo tools, and electron scattering. The five 1/4'' high-density floppy disk that incorporates the booklet includes the FORTRAN codes of the issues which are tackled in all the ten chapters. within the textual content, the perfect theoretical foundations and motivations of every version or process are mentioned including the numerical equipment hired. directions for using every one code, and the way to conform them to neighborhood compilers and/or working structures if beneficial, are included.

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We shall try to give a complete but short account of all necessary ingredients. The chapter is outlined as follows. In Sect. 2, we describe HartreeFock theory with Skyrme-forces and the schematic treatment of pairing. In Sect. 3, we explain the numerical representation of wave functions and fields, and we discuss the shell ordering that defines the bookkeeping. In Sect. 4, we present the iteration schemes for solving the coupled equations. In Sect. 5, we explain the computation of the charge density and related quantities, and in Sect.

14] R. Zurmiihl, Praktische Mathematik (Springer, Berlin, Heidelberg 1963) Chap. VII, Sect. 15] B. Dreher, J. Friedrich, K. Merle, G. Luhrs and H. Rothaas, Nucl. Phys. 16] J. L. Friar, J. W. Negele, Adv. Nucl. Phys. 17] V. H. Walther, private communication; G. G. Simon, C. Schmitt, F. Borkowski, and V. H. Walther, Nucl. Phys. 18] J. Friedrich and N. Voegeler, Nucl. Phys. A373 (1982) 191 3. The Cranked Nilsson Model T. Bengtsson, 1. Ragnarsson and S. 1 Introduction The Nilsson-Strutinsky method is presently the most feasible way to do systematic calculations of the nuclear energy as a function of deformation and/or angular momentum.

The subtraction of the expectation value (h) is a shortcut to project the step orthogonal to the solution already reached; it guarantees that the step decays properly as one approaches the solution. 38) is a substantial improvement over the simple gradient step. One usually obtains five-digit precision within about 30-50 iterations. 6, 7, 13]. For applications in more than one dimension, one can reduce the potentially time-consuming inversion of the kinetic 2 2 energy by a separable approach, (1 + ~2 m E0 ) ~ t_x,Y,Z (1 + 2 mP'E'0 ).

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