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The Nuclear Thomas Fermi Model
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Download or read book The Nuclear Thomas-Fermi Model written by and published by . This book was released on 1994 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: The statistical Thomas-Fermi model is applied to a comprehensive survey of macroscopic nuclear properties. The model uses a Seyler-Blanchard effective nucleon-nucleon interaction, generalized by the addition of one momentum-dependent and one density-dependent term. The adjustable parameters of the interaction were fitted to shell-corrected masses of 1654 nuclei, to the diffuseness of the nuclear surface and to the measured depths of the optical model potential. With these parameters nuclear sizes are well reproduced, and only relatively minor deviations between measured and calculated fission barriers of 36 nuclei are found. The model determines the principal bulk and surface properties of nuclear matter and provides estimates for the more subtle, Droplet Model, properties. The predicted energy vs density relation for neutron matter is in striking correspondence with the 1981 theoretical estimate of Friedman and Pandharipande. Other extreme situations to which the model is applied are a study of Sn isotopes from 82Sn to 17°Sn, and the rupture into a bubble configuration of a nucleus (constrained to spherical symmetry) which takes place when Z2/A exceeds about 100.
Book Synopsis The Validity of the Thomas-Fermi Model of Finite Nuclear Matter by : Eugene Ramon Peressini
Download or read book The Validity of the Thomas-Fermi Model of Finite Nuclear Matter written by Eugene Ramon Peressini and published by . This book was released on 1965 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Physics of Ettore Majorana by : Salvatore Esposito
Download or read book The Physics of Ettore Majorana written by Salvatore Esposito and published by Cambridge University Press. This book was released on 2015 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unique volume exploring Majorana's work, for graduate students and researchers interested in the history of science.
Book Synopsis The Stability of Matter: From Atoms to Stars by : Elliott H. Lieb
Download or read book The Stability of Matter: From Atoms to Stars written by Elliott H. Lieb and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 677 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first edition of "The Stability of Matter: From Atoms to Stars" was sold out after a time unusually short for a selecta collection and we thought it ap propriate not just to make a reprinting but to include eight new contributionso They demonstrate that this field is still lively and keeps revealing unexpected featureso Of course, we restricted ourselves to developments in which Elliott Lieb participated and thus the heroic struggle in Thomas-Fermi theory where 7 3 5 3 the accuracy has been pushed from Z 1 to Z 1 is not includedo A rich landscape opened up after Jakob Yngvason's observation that atoms in magnetic fields also are described in suitable limits by a Thomas-Fermi-type theoryo Together with Elliott Lieb and Jan Philip Solovej it was eventually worked out that one has to distinguish 5 regionso If one takes as a dimensionless measure of the magnetic field strength B the ratio Larmor radius/Bohr radius one can compare it with N "' Z and for each of the domains 4 3 (i) B « N 1 , 4 3 (ii) B "' N 1 , 4 3 3 (iii) N 1« B « N , 3 (iv) B "' N , 3 (v) B » N a different version ofmagnetic Thomas-Fermi theory becomes exact in the limit N --+ ooo In two dimensions and a confining potential ("quantum dots") the situation is somewhat simpler, one has to distinguish only (i) B « N, (ii) B "'N,
Book Synopsis Strongly Coupled Plasma Physics by : Forrest J. Rogers
Download or read book Strongly Coupled Plasma Physics written by Forrest J. Rogers and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt: A NATO Advanced Research Workshop on Strongly Coupled Plasma Physics was held on the Santa Cruz Campus of the University of California, from August 4 through August 9, 1986. It was attended by 80 participants from 13 countries, 45 of whom were invited speakers. The present volume contains the texts of the invited talks and many of the contributed papers. The relative length of each text is roughly proportional to the length of the workshop presentation. The aim of the workshop was to bring together leading researchers from a number of related disciplines in which strong Coulomb interactions play a dominant role. Compared to the 1977 meeting in Orleans-la-Source, France and the 1982 meeting in Les-Houches, France, it is apparent that the field of strongly coupled plasmas has expanded greatly and has become a very significant field of physics with a wide range of applications. This workshop had a far greater participation of experimental researchers than did the previous two, and some confrontations of real experiments with theoretical calculations occurred. In the two earlier meetings the theoretical presentations were dominated by numerical simulations of static and dynamic properties of various strongly coupled plasmas. The dearth of experiments in the 1970's is now replaced by some very good experimental efforts.
Book Synopsis The Nuclear Many-Body Problem by : Peter Ring
Download or read book The Nuclear Many-Body Problem written by Peter Ring and published by Springer Science & Business Media. This book was released on 2004-03-25 with total page 742 pages. Available in PDF, EPUB and Kindle. Book excerpt: Study Edition
Book Synopsis Metal Surface Electron Physics by : A. Kiejna
Download or read book Metal Surface Electron Physics written by A. Kiejna and published by Elsevier. This book was released on 1996-03-15 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last thirty years metal surface physics, or generally surface science, has come a long way due to the development of vacuum technology and the new surface sensitive probes on the experimental side and new methods and powerful computational techniques on the theoretical side. The aim of this book is to introduce the reader to the essential theoretical aspects of the atomic and electronic structure of metal surfaces and interfaces. The book gives some theoretical background to students of experimental and theoretical physics to allow further exploration into research in metal surface physics. The book consists of three parts. The first part is devoted to classical description of geometry and structure of metal crystals and their surfaces and surface thermodynamics including properties of small metallic particles. Part two deals with quantum-mechanical description of electronic properties of simple metals. It starts from the free electron gas description and introduces the many body effects in the framework of the density functional theory, in order to discuss the basic surface electronic properties of simple metals. This part outlines also properties of alloy surfaces, the quantum size effect and small metal clusters. Part three gives a succinct description of metal surfaces in contact with foreign atoms and surfaces. It treats the work function changes due to alkali metal adsorption on metals, adhesion between metals and discusses the universal aspects of the binding energy curves. In each case extensive reference lists are provided.
Book Synopsis Theory of the Inhomogeneous Electron Gas by : Stig Lundqvist
Download or read book Theory of the Inhomogeneous Electron Gas written by Stig Lundqvist and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: The theory of the inhomogeneous electron gas had its origin in the Thomas Fermi statistical theory, which is discussed in the first chapter of this book. This already leads to significant physical results for the binding energies of atomic ions, though because it leaves out shell structure the results of such a theory cannot reflect the richness of the Periodic Table. Therefore, for a long time, the earlier method proposed by Hartree, in which each electron is assigned its own personal wave function and energy, dominated atomic theory. The extension of the Hartree theory by Fock, to include exchange, had its parallel in the density description when Dirac showed how to incorporate exchange in the Thomas-Fermi theory. Considerably later, in 1951, Slater, in an important paper, showed how a result similar to but not identical with that of Dirac followed as a simplification of the Hartree-Fock method. It was Gombas and other workers who recognized that one could also incorporate electron correlation consistently into the Thomas-Fermi-Dirac theory by using uniform electron gas relations locally, and progress had been made along all these avenues by the 1950s.
Book Synopsis A Proposed Modification of the Available Momentum Region in Thomas-Fermi Theory by : John F. Barnes
Download or read book A Proposed Modification of the Available Momentum Region in Thomas-Fermi Theory written by John F. Barnes and published by . This book was released on 1962 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Physics written by Enrico Fermi and published by University of Chicago Press. This book was released on 1950 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents, with some amplification, the notes on the lectures on nuclear physics given by Enrico Fermi at the University of Chicago in 1949. "The compilers of this publication may be warmly congratulated. . . . The scope of this course is amazing: within 240 pages it ranges from the general properties of atomic nuclei and nuclear forces to mesons and cosmic rays, and includes an account of fission and elementary pile theory. . . . The course addresses itself to experimenters rather than to specialists in nuclear theory, although the latter will also greatly profit from its study on account of the sound emphasis laid everywhere on the experimental approach to problems. . . . There is a copious supply of problems."—Proceedings of the Physical Society "Only a relatively few students are privileged to attend Professor Fermi's brilliant lectures at the University of Chicago; it is therefore a distinct contribution to the followers of nuclear science that his lecture material has been systematically organized in a publication and made available to a much wider audience."—Nucelonics
Book Synopsis Thomas-Fermi Treatment of Nuclear Masses, Deformations and Density Distributions by :
Download or read book Thomas-Fermi Treatment of Nuclear Masses, Deformations and Density Distributions written by and published by . This book was released on 1994 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: A recently completed Thomas-Fermi model of nuclei is described. Six adjustable parameters of the effective nucleon-nucleon interaction were fitted to the shell-corrected binding energies of 1654 nuclei and to the diffuseness of the nuclear surface. The model is then successful in reproducing nuclear sizes, and only small deviations are found between calculated and measured fission barriers of 36 nuclei. The model is applied to the prediction of fission barriers of light elements, to drip-line nuclei like 82Sn and 17°Sn, to the properties of nuclear and neutron matter and to nuclear bubble configurations with Z2/A (almost equal to) 100. The relation of a Thomas-Fermi theory to the Droplet and Liquid Drop models is illustrated.
Download or read book Fermi Remembered written by Enrico Fermi and published by University of Chicago Press. This book was released on 2004-08-16 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: The volume also features extensive university archival material - including correspondence between Fermi and biophysicist Leo Szilard and a letter from Harry Truman - with new introductions that provide context for both the history of physics and the academic tradition at the University of Chicago."--Jacket.
Book Synopsis Temperature Dependent Thomas-Fermi Theory by : Joachim Messer
Download or read book Temperature Dependent Thomas-Fermi Theory written by Joachim Messer and published by Springer. This book was released on 1981 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A New Statistical Theory of the Nuclear Surface by : Phillip John Siemens
Download or read book A New Statistical Theory of the Nuclear Surface written by Phillip John Siemens and published by . This book was released on 1970 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Last Man Who Knew Everything by : David N. Schwartz
Download or read book The Last Man Who Knew Everything written by David N. Schwartz and published by Basic Books. This book was released on 2017-12-05 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: The definitive biography of the brilliant, charismatic, and very human physicist and innovator Enrico Fermi In 1942, a team at the University of Chicago achieved what no one had before: a nuclear chain reaction. At the forefront of this breakthrough stood Enrico Fermi. Straddling the ages of classical physics and quantum mechanics, equally at ease with theory and experiment, Fermi truly was the last man who knew everything -- at least about physics. But he was also a complex figure who was a part of both the Italian Fascist Party and the Manhattan Project, and a less-than-ideal father and husband who nevertheless remained one of history's greatest mentors. Based on new archival material and exclusive interviews, The Last Man Who Knew Everything lays bare the enigmatic life of a colossus of twentieth century physics.
Book Synopsis Table of Nuclear Masses According to the 1994 Thomas-Fermi Model by :
Download or read book Table of Nuclear Masses According to the 1994 Thomas-Fermi Model written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nuclear Density Functional Theory by : I. Zh Petkov
Download or read book Nuclear Density Functional Theory written by I. Zh Petkov and published by . This book was released on 1991 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes the enormous amount of material accumulated in the field of nuclear density functional theory over the last few decades. The goal of the theory is to provide a complete quantum mechanical description and explanation of nuclear phenomena in terms of the local density distribution as a basic ingredient rather than the many particle wavefunction. This leads to a considerable reduction in the mathematical complexity of nuclear many-body problems and to a great conceptual simplicity and visual clarity in its theoretical treatment. The authors develop the mathematical framework on which the theory is based and consider the associated approaches used to analyze experimental data in a variety of nuclei and nuclear processes with widely differing properties.
