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Scattering Of Neutrons By An Anharmonic Crystal
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Book Synopsis Inelastic Scattering of Neutrons by Anharmonic Crystals by : John Michael Conway
Download or read book Inelastic Scattering of Neutrons by Anharmonic Crystals written by John Michael Conway and published by . This book was released on 1964 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to determine the phonon frequencies and lifetimes from these experiments. When a crystal has anharmonicities interference effects can occur between processes in which the neutron creates several phonons; these coherences are due to the fact that when a phonon can decay into several phonons, the final state in which the neutron has created one phonon is not orthogonal to final states in which the neutron has created several phonons. It is shown that the Placzek sum rule is still a valid guide in subtracting the multiphonon background from the experimental cross-section. The remaining cross-section is the sum of the one-phonon cross-section and the ''one-phonon, several-phonon'' interference terms. The one phonon cross-section has a resonance at the phonon frequency, with a width proportional to the inverse of the phonon lifetimm0-however, the interference terms have the effect of shift ing the center of this resonance, as observed, from the one-phonon frequency, and also changing the shape from an expected Lorentizian form. (Author).
Book Synopsis Scattering of Thermal Neutrons by : Andre Larose
Download or read book Scattering of Thermal Neutrons written by Andre Larose and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solid state physicists have long appreciated the usefulness of thermal neutron scattering in the inves tigation of condensed matter. This technique was first made possible by the advent of the nuclear reac tor and has, since then, undergone many refinements. The developments in this field of research have, we felt, necessitated the making of a comprehensive compilation of the published thermal neutron papers. The large number of titles collected in this book, as well as their diversity and their yearly distribution, reflects the continued contribution of the neutron probe to our understanding of physical systems. This bibliography is an updated and improved version of the one first published by us in March of 1973 under a similar title. Many of the omissions and inconsistencies of the first edition, such as occurred, for example, in the initialing of authors' names, have been corrected. The literature search has been carried back to 1932, the year when the existence of the neutron was experimentally confirmed. Several additional journals have also been searched and brought up to date together with those listed in our first publication. The number of entries is now 8543, an increase of 65 per cent relative to the first edition.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1973 with total page 1080 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government-wide Index to Federal Research & Development Reports by :
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1967-05 with total page 1470 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1971 with total page 1330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research and Development Reports by :
Download or read book U.S. Government Research and Development Reports written by and published by . This book was released on 1965 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theory of X-ray and Thermal-neutron Scattering by Real Crystals by : Mikhail Aleksandrovich Krivoglaz
Download or read book Theory of X-ray and Thermal-neutron Scattering by Real Crystals written by Mikhail Aleksandrovich Krivoglaz and published by Springer. This book was released on 1969 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Scattering with a Triple-Axis Spectrometer by : Gen Shirane
Download or read book Neutron Scattering with a Triple-Axis Spectrometer written by Gen Shirane and published by Cambridge University Press. This book was released on 2006-05-11 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical guidebook is written for graduate and post-doctoral students, as well as for experienced researchers new to neutron scattering. Introductory chapters summarize useful scattering formulas and describe the components of a spectrometer. The authors then discuss the resolution function and focusing effects. Simple examples of phonon and magnon measurements are presented. Important chapters cover spurious effects in inelastic and elastic measurements, and how to avoid them. The last chapter covers techniques for, and applications of, polarization analysis.
Download or read book Soviet Physics, Solid State written by and published by . This book was released on 1990 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theory of Neutron Scattering from Condensed Matter by : Stephen W. Lovesey
Download or read book Theory of Neutron Scattering from Condensed Matter written by Stephen W. Lovesey and published by Oxford University Press on Demand. This book was released on 1986-10 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Neutron scattering measurements provide information at an atomic level on the chemical and physical properties of matter. The unique character of the neutron-matter interaction means that in many instances the information is obtainable in no other way. The book develops the principles and concepts of statistical physics and quantum chemistry that are the basis for the interpretation of experimental data. The topics include elastic nuclear scattering, scattering by lattice vibrations and by liquids, and some chemical applications (vol. 1) and elastic and inelastic magnetic scattering (vol. 2). These two volumes will be of interest to graduate students and workers and researchers in the field of neutron scattering"--back cover/
Book Synopsis Introduction to the Theory of Thermal Neutron Scattering by : G. L. Squires
Download or read book Introduction to the Theory of Thermal Neutron Scattering written by G. L. Squires and published by Cambridge University Press. This book was released on 2012-03-29 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: A long-awaited reprint of the book that has established itself as the classic textbook on neutron scattering. It will be an invaluable introductory text for students taking courses on neutron scattering, as well as for researchers and those who would like to deepen their knowledge on the subject through self-study.
Book Synopsis Temperature Dependence of Infrared Dispersion in Ionic Crystals of LiF and MgO by : John R. Jasperse
Download or read book Temperature Dependence of Infrared Dispersion in Ionic Crystals of LiF and MgO written by John R. Jasperse and published by . This book was released on 1966 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Properties of Solids by : S. Mitra
Download or read book Optical Properties of Solids written by S. Mitra and published by Springer. This book was released on 2013-04-17 with total page 639 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an account of the manner in which the optical phenomena observed from solids relate to their fundamental properties. Written at the graduate level, it attempts a threefold purpose: an indication of the breadth of the subject, an in-depth examination of important areas, and a text for a two-semester course. The first two chapters present introductory theory as a foundation for subsequent reading. The following ten chapters broadly concern electronic properties associated with semiconductors ranging from narrow to wide energy gap materials. Lattice properties are examined in the remaining chap ters, in which effects governed by phonons in perfect crystals, point defects, their vibrational and electronic spectra, and electron-phonon interactions are stressed. Fun and hard work, both in considerable measure, have gone into the preparation of this volume. At the University of Freiburg, W. Germany, from August 7-20, 1966, the occasion of a NATO Advanced Study Institute on "The Optical Properties of Solids," the authors of these various chapters lectured for the Institute; this volume provides essentially the "Proceed ings" of that meeting. Many major revisions of original lectures (contrac tions and enlargements) were required for better organization and presentation of the subject matter. Several abbreviated chapters appear mainly to indicate the importance of their contents in optical properties research and to indicate recently published books that provide ample coverage. We are indebted to many people: the authors for their efforts and patience; our host at the University of Freiburg, the late Professor Dr.
Download or read book Science Abstracts written by and published by . This book was released on 1963 with total page 1758 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Acta Physica Polonica written by and published by . This book was released on 1985 with total page 928 pages. Available in PDF, EPUB and Kindle. Book excerpt: General physics, solid state physics, applied physics.
Book Synopsis Neutron and Synchrotron Radiation for Condensed Matter Studies by : Jose Baruchel
Download or read book Neutron and Synchrotron Radiation for Condensed Matter Studies written by Jose Baruchel and published by Springer Science & Business Media. This book was released on 2013-12-18 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second volume in the HERCULES Course on Neutron and Synchrotron Radiation for Condensed Matter Studies is devoted to selected applications in physics and chemistry of solids, with the fourteen chapters ranging from general considerations of symmetry in condensed matter to the most recent developments in magnetic excitations and electron spectroscopies in high Tc superconductors. The subjects were chosen either for their basic importance or because of interesting new developments, while the fifteen authors were selected both for their high scientific expertise and their teaching skills.
