Magnetic Ions in Crystals:
Gespeichert in:
1. Verfasser: | |
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Format: | Elektronisch E-Book |
Sprache: | English |
Veröffentlicht: |
Princeton, N.J.
Princeton University Press
[1997]
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Schlagworte: | |
Online-Zugang: | Volltext |
Beschreibung: | There have been many demonstrations, particularly for magnetic impurity ions in crystals, that spin-Hamiltonians are able to account for a wide range of experimental results in terms of much smaller numbers of parameters. Yet they were originally derived from crystal field theory, which contains a logical flaw; electrons on the magnetic ions are distinguished from those on the ligands. Thus there is a challenge: to replace crystal field theory with one of equal or greater predictive power that is based on a surer footing. The theory developed in this book begins with a generic Hamiltonian, one that is common to most molecular and solid state problems and that does not violate the symmetry requirements imposed on electrons and nuclei. Using a version of degenerate perturbation theory due to Bloch and the introduction of Wannier functions, projection operators, and unitary transformations, Stevens shows that it is possible to replace crystal field theory as a basis for the spin-Hamiltonians of single magnetic ions and pairs and lattices of magnetic ions, even when the nuclei have vibrational motion.The power of the method is further demonstrated by showing that it can be extended to include lattice vibration and conduction by electron hopping such as probably occurs in high-Tc superconductors. Thus Stevens shows how an apparently successful ad hoc method of the past can be replaced by a much more soundly based one that not only incorporates all the previous successes but appears to open the way to extensions far outside the scope of the previously available methods. So far only some of these have been explored. The book should therefore be of great interest to all physicists and chemists concerned with understanding the special properties of molecules and solids that are imposed by the presence of magnetic ions.Originally published in 1997.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These paperback editions preserve the original texts of these important books while presenting them in durable paperback editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905 |
Beschreibung: | 1 Online-Ressource (264p.) |
ISBN: | 9781400864461 |
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500 | |a There have been many demonstrations, particularly for magnetic impurity ions in crystals, that spin-Hamiltonians are able to account for a wide range of experimental results in terms of much smaller numbers of parameters. Yet they were originally derived from crystal field theory, which contains a logical flaw; electrons on the magnetic ions are distinguished from those on the ligands. Thus there is a challenge: to replace crystal field theory with one of equal or greater predictive power that is based on a surer footing. The theory developed in this book begins with a generic Hamiltonian, one that is common to most molecular and solid state problems and that does not violate the symmetry requirements imposed on electrons and nuclei. | ||
500 | |a Using a version of degenerate perturbation theory due to Bloch and the introduction of Wannier functions, projection operators, and unitary transformations, Stevens shows that it is possible to replace crystal field theory as a basis for the spin-Hamiltonians of single magnetic ions and pairs and lattices of magnetic ions, even when the nuclei have vibrational motion.The power of the method is further demonstrated by showing that it can be extended to include lattice vibration and conduction by electron hopping such as probably occurs in high-Tc superconductors. Thus Stevens shows how an apparently successful ad hoc method of the past can be replaced by a much more soundly based one that not only incorporates all the previous successes but appears to open the way to extensions far outside the scope of the previously available methods. So far only some of these have been explored. | ||
500 | |a The book should therefore be of great interest to all physicists and chemists concerned with understanding the special properties of molecules and solids that are imposed by the presence of magnetic ions.Originally published in 1997.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These paperback editions preserve the original texts of these important books while presenting them in durable paperback editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905 | ||
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Datensatz im Suchindex
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any_adam_object | |
author | Stevens, K. W. |
author_facet | Stevens, K. W. |
author_role | aut |
author_sort | Stevens, K. W. |
author_variant | k w s kw kws |
building | Verbundindex |
bvnumber | BV042524113 |
collection | ZDB-23-DGG |
ctrlnum | (OCoLC)884012581 (DE-599)BVBBV042524113 |
dewey-full | 530.4/12 |
dewey-hundreds | 500 - Natural sciences and mathematics |
dewey-ones | 530 - Physics |
dewey-raw | 530.4/12 |
dewey-search | 530.4/12 |
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discipline | Physik |
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spelling | Stevens, K. W. Verfasser aut Magnetic Ions in Crystals K. W. Stevens Princeton, N.J. Princeton University Press [1997] 1 Online-Ressource (264p.) txt rdacontent c rdamedia cr rdacarrier There have been many demonstrations, particularly for magnetic impurity ions in crystals, that spin-Hamiltonians are able to account for a wide range of experimental results in terms of much smaller numbers of parameters. Yet they were originally derived from crystal field theory, which contains a logical flaw; electrons on the magnetic ions are distinguished from those on the ligands. Thus there is a challenge: to replace crystal field theory with one of equal or greater predictive power that is based on a surer footing. The theory developed in this book begins with a generic Hamiltonian, one that is common to most molecular and solid state problems and that does not violate the symmetry requirements imposed on electrons and nuclei. Using a version of degenerate perturbation theory due to Bloch and the introduction of Wannier functions, projection operators, and unitary transformations, Stevens shows that it is possible to replace crystal field theory as a basis for the spin-Hamiltonians of single magnetic ions and pairs and lattices of magnetic ions, even when the nuclei have vibrational motion.The power of the method is further demonstrated by showing that it can be extended to include lattice vibration and conduction by electron hopping such as probably occurs in high-Tc superconductors. Thus Stevens shows how an apparently successful ad hoc method of the past can be replaced by a much more soundly based one that not only incorporates all the previous successes but appears to open the way to extensions far outside the scope of the previously available methods. So far only some of these have been explored. The book should therefore be of great interest to all physicists and chemists concerned with understanding the special properties of molecules and solids that are imposed by the presence of magnetic ions.Originally published in 1997.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These paperback editions preserve the original texts of these important books while presenting them in durable paperback editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905 In English Physik Magnetic ions Crystal field theory Hamiltonian systems SCIENCE / Physics / General bisacsh Festkörperphysik (DE-588)4016921-2 gnd rswk-swf Quantentheorie (DE-588)4047992-4 gnd rswk-swf Spin-Hamilton-Operator (DE-588)4233261-8 gnd rswk-swf Magnetische Verunreinigung (DE-588)4473954-0 gnd rswk-swf Kristallfeldtheorie (DE-588)4165760-3 gnd rswk-swf Magnetische Verunreinigung (DE-588)4473954-0 s Festkörperphysik (DE-588)4016921-2 s Quantentheorie (DE-588)4047992-4 s Spin-Hamilton-Operator (DE-588)4233261-8 s 1\p DE-604 Kristallfeldtheorie (DE-588)4165760-3 s 2\p DE-604 http://www.degruyter.com/doi/book/10.1515/9781400864461 Verlag Volltext 1\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 2\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk |
spellingShingle | Stevens, K. W. Magnetic Ions in Crystals Physik Magnetic ions Crystal field theory Hamiltonian systems SCIENCE / Physics / General bisacsh Festkörperphysik (DE-588)4016921-2 gnd Quantentheorie (DE-588)4047992-4 gnd Spin-Hamilton-Operator (DE-588)4233261-8 gnd Magnetische Verunreinigung (DE-588)4473954-0 gnd Kristallfeldtheorie (DE-588)4165760-3 gnd |
subject_GND | (DE-588)4016921-2 (DE-588)4047992-4 (DE-588)4233261-8 (DE-588)4473954-0 (DE-588)4165760-3 |
title | Magnetic Ions in Crystals |
title_auth | Magnetic Ions in Crystals |
title_exact_search | Magnetic Ions in Crystals |
title_full | Magnetic Ions in Crystals K. W. Stevens |
title_fullStr | Magnetic Ions in Crystals K. W. Stevens |
title_full_unstemmed | Magnetic Ions in Crystals K. W. Stevens |
title_short | Magnetic Ions in Crystals |
title_sort | magnetic ions in crystals |
topic | Physik Magnetic ions Crystal field theory Hamiltonian systems SCIENCE / Physics / General bisacsh Festkörperphysik (DE-588)4016921-2 gnd Quantentheorie (DE-588)4047992-4 gnd Spin-Hamilton-Operator (DE-588)4233261-8 gnd Magnetische Verunreinigung (DE-588)4473954-0 gnd Kristallfeldtheorie (DE-588)4165760-3 gnd |
topic_facet | Physik Magnetic ions Crystal field theory Hamiltonian systems SCIENCE / Physics / General Festkörperphysik Quantentheorie Spin-Hamilton-Operator Magnetische Verunreinigung Kristallfeldtheorie |
url | http://www.degruyter.com/doi/book/10.1515/9781400864461 |
work_keys_str_mv | AT stevenskw magneticionsincrystals |