Low energy excitations in disordered solids: a story of the 'universal' phenomena of structural tunneling
"The subject of low-energy excitations has evolved since two-level-tunneling systems were first proposed ~50 years ago. Initially they were used to explain the common anomalous properties of oxide glasses and polymers; now the subject includes a wide range of other materials containing disorder...
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| 1. Verfasser: | |
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| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Singapore
World Scientific
©2021
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| Schlagworte: | |
| Online-Zugang: | Volltext |
| Zusammenfassung: | "The subject of low-energy excitations has evolved since two-level-tunneling systems were first proposed ~50 years ago. Initially they were used to explain the common anomalous properties of oxide glasses and polymers; now the subject includes a wide range of other materials containing disorder: amorphous semiconductors and metals, doped- mixed- and quasi-crystals, surface adsorbates... and topics such as dephasing of quantum states and interferometer noise. A fairly simple empirical description using a remarkably small range of parameters serves well to describe the effect of these excitations, but the structures causing these effects are known in only a few materials and the reasons for their similarity across disparate materials has only been qualitatively addressed. This book provides a unified, comprehensive description of tunneling systems in disordered solids suitable for graduate students/researchers wishing an introduction to the field. Its focus is on the tunneling systems intrinsic to glassy solids. It describes the experimental observations of 'glassy' properties, develops the basic empirical tunneling model, and discusses the dynamics changes on cooling to temperatures where direct excitation interactions become important and on heating to where tunneling gives way to thermal activation. Finally, it discusses how theories of glass formation can help us understand the ubiquity of these excitations. The Development of the basic tunneling model is the core of the book and is worked out in considerable detail. To keep the total within bounds of our expertise and the readers' patience, many related experimental and theoretical developments are only sketched out here; the text is heavily cited to allow readers to follow their specific interests in much more depth"-- |
| Beschreibung: | 1 Online-Ressource (420 Seiten) |
| ISBN: | 9789811217258 9811217254 |
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| 520 | |a "The subject of low-energy excitations has evolved since two-level-tunneling systems were first proposed ~50 years ago. Initially they were used to explain the common anomalous properties of oxide glasses and polymers; now the subject includes a wide range of other materials containing disorder: amorphous semiconductors and metals, doped- mixed- and quasi-crystals, surface adsorbates... and topics such as dephasing of quantum states and interferometer noise. A fairly simple empirical description using a remarkably small range of parameters serves well to describe the effect of these excitations, but the structures causing these effects are known in only a few materials and the reasons for their similarity across disparate materials has only been qualitatively addressed. This book provides a unified, comprehensive description of tunneling systems in disordered solids suitable for graduate students/researchers wishing an introduction to the field. Its focus is on the tunneling systems intrinsic to glassy solids. It describes the experimental observations of 'glassy' properties, develops the basic empirical tunneling model, and discusses the dynamics changes on cooling to temperatures where direct excitation interactions become important and on heating to where tunneling gives way to thermal activation. Finally, it discusses how theories of glass formation can help us understand the ubiquity of these excitations. The Development of the basic tunneling model is the core of the book and is worked out in considerable detail. To keep the total within bounds of our expertise and the readers' patience, many related experimental and theoretical developments are only sketched out here; the text is heavily cited to allow readers to follow their specific interests in much more depth"-- | ||
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| illustrated | Not Illustrated |
| index_date | 2024-07-03T17:41:06Z |
| indexdate | 2024-07-10T09:09:59Z |
| institution | BVB |
| isbn | 9789811217258 9811217254 |
| language | English |
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| publisher | World Scientific |
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| spelling | Stephens, Richard B. Verfasser aut Low energy excitations in disordered solids a story of the 'universal' phenomena of structural tunneling Richard B. Stephens, Xiao Liu Singapore World Scientific ©2021 1 Online-Ressource (420 Seiten) txt rdacontent c rdamedia cr rdacarrier "The subject of low-energy excitations has evolved since two-level-tunneling systems were first proposed ~50 years ago. Initially they were used to explain the common anomalous properties of oxide glasses and polymers; now the subject includes a wide range of other materials containing disorder: amorphous semiconductors and metals, doped- mixed- and quasi-crystals, surface adsorbates... and topics such as dephasing of quantum states and interferometer noise. A fairly simple empirical description using a remarkably small range of parameters serves well to describe the effect of these excitations, but the structures causing these effects are known in only a few materials and the reasons for their similarity across disparate materials has only been qualitatively addressed. This book provides a unified, comprehensive description of tunneling systems in disordered solids suitable for graduate students/researchers wishing an introduction to the field. Its focus is on the tunneling systems intrinsic to glassy solids. It describes the experimental observations of 'glassy' properties, develops the basic empirical tunneling model, and discusses the dynamics changes on cooling to temperatures where direct excitation interactions become important and on heating to where tunneling gives way to thermal activation. Finally, it discusses how theories of glass formation can help us understand the ubiquity of these excitations. The Development of the basic tunneling model is the core of the book and is worked out in considerable detail. To keep the total within bounds of our expertise and the readers' patience, many related experimental and theoretical developments are only sketched out here; the text is heavily cited to allow readers to follow their specific interests in much more depth"-- Solid state physics Condensed matter Electronic books Liu, Xiao Sonstige oth Erscheint auch als Druck-Ausgabe 9811217246 Erscheint auch als Druck-Ausgabe 9789811217241 https://www.worldscientific.com/worldscibooks/10.1142/11746#t=toc Verlag URL des Erstveröffentlichers Volltext |
| spellingShingle | Stephens, Richard B. Low energy excitations in disordered solids a story of the 'universal' phenomena of structural tunneling Solid state physics Condensed matter |
| title | Low energy excitations in disordered solids a story of the 'universal' phenomena of structural tunneling |
| title_auth | Low energy excitations in disordered solids a story of the 'universal' phenomena of structural tunneling |
| title_exact_search | Low energy excitations in disordered solids a story of the 'universal' phenomena of structural tunneling |
| title_exact_search_txtP | Low energy excitations in disordered solids a story of the 'universal' phenomena of structural tunneling |
| title_full | Low energy excitations in disordered solids a story of the 'universal' phenomena of structural tunneling Richard B. Stephens, Xiao Liu |
| title_fullStr | Low energy excitations in disordered solids a story of the 'universal' phenomena of structural tunneling Richard B. Stephens, Xiao Liu |
| title_full_unstemmed | Low energy excitations in disordered solids a story of the 'universal' phenomena of structural tunneling Richard B. Stephens, Xiao Liu |
| title_short | Low energy excitations in disordered solids |
| title_sort | low energy excitations in disordered solids a story of the universal phenomena of structural tunneling |
| title_sub | a story of the 'universal' phenomena of structural tunneling |
| topic | Solid state physics Condensed matter |
| topic_facet | Solid state physics Condensed matter |
| url | https://www.worldscientific.com/worldscibooks/10.1142/11746#t=toc |
| work_keys_str_mv | AT stephensrichardb lowenergyexcitationsindisorderedsolidsastoryoftheuniversalphenomenaofstructuraltunneling AT liuxiao lowenergyexcitationsindisorderedsolidsastoryoftheuniversalphenomenaofstructuraltunneling |