Models For Thermal And Vibrational Properties Of Glasses At Low Temperatures
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Models For Thermal And Vibrational Properties Of Glasses At Low Temperatures
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Author : Ming-Shih Lu
language : en
Publisher:
Release Date : 1975
Models For Thermal And Vibrational Properties Of Glasses At Low Temperatures written by Ming-Shih Lu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Glass categories.
Low Temperature Thermal And Vibrational Properties Of Disordered Solids A Half Century Of Universal Anomalies Of Glasses
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Author : Miguel A Ramos
language : en
Publisher: World Scientific
Release Date : 2022-08-11
Low Temperature Thermal And Vibrational Properties Of Disordered Solids A Half Century Of Universal Anomalies Of Glasses written by Miguel A Ramos and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-11 with Science categories.
This book, edited by M. A. Ramos and contributed by several reputed physicists in the field, presents a timely review on low-temperature thermal and vibrational properties of glasses, and of disordered solids in general. In 1971, the seminal work of Zeller and Pohl was published, which triggered this relevant research field in condensed matter physics. Hence, this book also commemorates about 50 years of that highlight with a comprehensive, updated review.In brief, glasses (firstly genuine amorphous solids but later on followed by different disordered crystals) were found to universally exhibit low-temperature properties (specific heat, thermal conductivity, acoustic and dielectric attenuation, etc.) unexpectedly very similar among them — and very different from those of their crystalline counterparts.These universal 'anomalies' of glasses and other disordered solids remain very controversial topics in condensed matter physics. They have been addressed exhaustively in this book, through many updated experimental data, a survey of most relevant models and theories, as well as by computational simulations.
Glassy Disordered Systems Glass Formation And Universal Anomalous Low Energy Properties Soft Modes
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Author : Michael I Klinger
language : en
Publisher: World Scientific
Release Date : 2013-03-14
Glassy Disordered Systems Glass Formation And Universal Anomalous Low Energy Properties Soft Modes written by Michael I Klinger and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-14 with Technology & Engineering categories.
The present book describes the fundamental features of glassy disordered systems at high temperatures (close to the liquid-to-glass transition) and for the first time in a book, the universal anomalous properties of glasses at low energies (i.e. temperatures/frequencies lower than the Debye values) are depicted. Several important theoretical models for both the glass formation and the universal anomalous properties of glasses are described and analyzed. The origin and main features of soft atomic-motion modes and their excitations, as well as their role in the anomalous properties, are considered in detail. It is shown particularly that the soft-mode model gives rise to a consistent description of the anomalous properties. Additional manifestations of the soft modes in glassy phenomena are described. Other models of the anomalous glassy properties can be considered as limit cases of the soft-mode model for either very low or moderately low temperatures/frequencies.
Amorphous Solids
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Author : William A. Phillips
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Amorphous Solids written by William A. Phillips and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
It is now ten years since it was first convincingly shown that below 1 K the ther mal conductivity and the heat capacity of amorphous solids behave in a way which is strikingly different to that of crystalline solids. Since that time there has been a wide variety of experimental and theoretical studies which have not only defined and clarified the low temperature problem more closely, but have also linked these differences between amorphous and crystalline solids to those suggested by older acoustic and thermal experiments (extending up to 100 K). The interest in this somewhat restricted branch of physics lies to a considerable extent in the fact that the differences were so unexpected. It might be thought that as the tempera ture, probing frequency, or more generally the energy decreases, a continuum de scription in which structural differences between glass and crystal are concealed should become more accurate. In a sense this is true, but it appears that there exists in an amorphous solid a large density of additional excitations which have no counterpart in normal crystals. This book presents a survey of the wide range of experimental investigations of these low energy excitations, together with a re view of the various theoretical models put forward to explain their existence and nature.
Anomalous Thermal Properties Of Glasses At Low Temperatures
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Author :
language : en
Publisher:
Release Date : 1976
Anomalous Thermal Properties Of Glasses At Low Temperatures written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with categories.
It is shown that specific heat measurements above 0.1 K indicate a distribution of local modes independent of energy; ultrasonic attenuation at low powers indicate that the local mode systems can have at most a few levels; ultrasonic velocity measurements give information about phonon-local mode coupling parameters; the measured thermal conductivity agrees with that calculated from the above information assuming that the energy independent distribution of modes observed in the specific heat is responsible for phonon scattering; thermal expansion and far infrared experiments indicate a phonon assisted tunneling model; several experiments, however, indicate that the modes observed in the specific heat measurements may not all scatter phonons. (auth).
Tunneling Systems In Amorphous And Crystalline Solids
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Author : Pablo Esquinazi
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Tunneling Systems In Amorphous And Crystalline Solids written by Pablo Esquinazi and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Technology & Engineering categories.
This comprehensive book provides a full description of experimental and theoretical details and the latest theories. The expert contributions point out the direction research is currently taking, the expectations and implications, serving as useful introductory surveys.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1976
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Aeronautics categories.
Phonon Scattering In Condensed Matter Vii
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Author : Michael Meissner
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Phonon Scattering In Condensed Matter Vii written by Michael Meissner and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
This volume contains the proceedings of the Seventh International Conference on Phonon Scattering in Condensed Matter held August 3-7, 1992, at Cornell University in Ithaca, NY, USA. The preceding conferences were held at: St. Maxime and Paris (France) 1972, Nottingham (UK) 1975, Providence (USA) 1979, Stuttgart (Germany) 1983, Urbana (USA) 1986, and Heidelberg (Germany) 1989. The Heidelberg conference was held jointly with the Third International Con ference on Phonon Physics. The next conference, to be held in August, 1995, in Sapporo, Japan, and hosted by Professor T. Nakayama and his colleagues, will also be such a joint conference. This conference was attended by 227 scientists from 27 countries, and covered all aspects of phonon scattering in condensed matter, ranging from the more traditional topics of thermal conductivity, Kapitza resistance, and ballistic phonon propagation to the recently added topics, such as electron-phonon interaction in high-T c superconductors, the use of phonons in particle detection, and phonons in confined geometries. The 207 papers arranged in 11 chapters in this volume are a cross section of the present activities in the quite obviously vibrant field of phonons and their interactions.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1988
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Aeronautics categories.
Non Equilibrium Phenomena In Supercooled Fluids Glasses And Amorphous Materials Proceedings Of The Workshop
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Author : Tosi Mario P
language : en
Publisher: World Scientific
Release Date : 1996-09-20
Non Equilibrium Phenomena In Supercooled Fluids Glasses And Amorphous Materials Proceedings Of The Workshop written by Tosi Mario P and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-09-20 with categories.
This volume contains the Proceedings of the International Workshop on “Non-Equilibrium Phenomena in Supercooled Fluids, Glasses and Amorphous Materials”, held in Pisa in the early fall of 1995 as a joint initiative of the University of Pisa and of the Scuola Normale Superiore. The goal was to bring together liquid state physicists, chemists and engineers, to review current developments and comparatively discuss experimental facts and theoretical predictions in this vast scientific area. The core of the Workshop was a set of general lectures followed by more specific presentations on current issues in the main areas of the field. This structure has been maintained in this volume, in which a set of five overviews is followed by topically grouped contributions in the five areas of ionic glasses and glassy materials, the glass transition, viscous flow and microscopic relaxation, complex fluids, and polymers. The volume also preserves a record of the many short contributions given to the Workshop through posters, which are grouped in it under the subjects of inorganic glasses, organic glasses and complex fluids, polymers, and theoretical aspects.