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Dynamical Processes In Disordered Systems
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Book Synopsis Dynamical Processes in Disordered Systems by : William M. Yen
Download or read book Dynamical Processes in Disordered Systems written by William M. Yen and published by Trans Tech Publications Ltd. This book was released on 1991-01-01 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials Science Forum Vol. 51
Book Synopsis Optical Studies of Dynamical Processes in Disordered Systems by :
Download or read book Optical Studies of Dynamical Processes in Disordered Systems 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 Optical Studies of Dynamical Processes in Disordered Systems. Progress Report by :
Download or read book Optical Studies of Dynamical Processes in Disordered Systems. Progress Report written by and published by . This book was released on 1994 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present an abbreviated summary of the progress they have attained in the course of the abbreviated first year of the present three-year grant. The focus of their research continues to be on studies which help them understand various dynamical processes which affect the structure and the optical properties of disordered and amorphous materials. They continue to make significant progress in their attempts to understand the factors which affect, for example, the efficiencies of activated glasses. This report contains a brief description of the work they have carried out during the present grant period and an outline of the initiatives they are presently undertaking or continuing during the second period.
Book Synopsis Optical Studies of Dynamical Processes in Disordered Systems. [Annual] Progress Report by :
Download or read book Optical Studies of Dynamical Processes in Disordered Systems. [Annual] Progress Report written by and published by . This book was released on 1993 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focus continues to be on dynamical processes such as relaxation and energy diffusion which affect the structure and optical properties of disordered and amorphous materials, particularly glasses which are luminescent in the near infrared and their efficiency. Elementary excitations in amorphous materials are also under study. 12 refs.
Book Synopsis Dynamical Processes in Disordered Systems by : William M. Yen
Download or read book Dynamical Processes in Disordered Systems written by William M. Yen and published by . This book was released on 1989 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials Science Forum Vol. 51.
Book Synopsis Optical Studies of Dynamical Processes in Disordered Systems. Progress Report, 1993--1994 by :
Download or read book Optical Studies of Dynamical Processes in Disordered Systems. Progress Report, 1993--1994 written by and published by . This book was released on 1994 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a brief summary of the progress we have attained in the course of the second year of the present three year rant. The focus of our research continues to be on studies of those dynamical processes such as relaxation and energy diffusion which affect the structure and the optical properties of disordered and amorphous materials. We have been particularly concerned with some new glass compositions which are luminescent in the near infrared (NIR) and on the factors which determine the efficiencies of these materials. In addition, we have begun to investigate the nature and the dynamics of the elementary excitations characteristic of amorphous materials.
Book Synopsis Dynamical Processes in Condensed Molecular Systems by : Joseph Klafter
Download or read book Dynamical Processes in Condensed Molecular Systems written by Joseph Klafter and published by World Scientific. This book was released on 1989 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: This review volume provides an up-to-date review of experimental methods and theoretical approaches in the study of dynamical processes in condensed molecular systems. The experimental contributions include hole burning in glasses and in proteins, optical dephasing in glasses, photo-conductivity in polymers, energy transfer among molecules in confining spaces and electron transfer in polar solvents. The theoretical part summarizes recent advances on hole burning, hierarchical aspects of relaxation and transport in disordered systems.
Book Synopsis Dynamical Processes In Condensed Molecular Systems - Proceedings Of The Emil-warburg Symposium by : A Blumen
Download or read book Dynamical Processes In Condensed Molecular Systems - Proceedings Of The Emil-warburg Symposium written by A Blumen and published by World Scientific. This book was released on 1990-12-19 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research on condensed molecular solids is truly interdisciplinary, spanning the range from statistical and molecular physics to solid-state-physics, chemistry, up to materials science. This Symposium on dynamical processes in condensed molecular systems highlights the most recent developments in the field, focussing on low-dimensional and non-crystalline materials, such as Langmuir-Blodgett-films, polymers and glasses. The text includes both advanced experimental techniques (hole-burning, fluorescence, short-time pulses, nonlinear spectroscopy) and also modern theoretical approches (dynamical percolation, fractals, localization).
Book Synopsis Collective Dynamics of Nonlinear and Disordered Systems by : Günter Radons
Download or read book Collective Dynamics of Nonlinear and Disordered Systems written by Günter Radons and published by Springer Science & Business Media. This book was released on 2005-11-02 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phase transitions in disordered systems and related dynamical phenomena are a topic of intrinsically high interest in theoretical and experimental physics. This book presents a unified view, adopting concepts from each of the disjoint fields of disordered systems and nonlinear dynamics. Special attention is paid to the glass transition, from both experimental and theoretical viewpoints, to modern concepts of pattern formation, and to the application of the concepts of dynamical systems for understanding equilibrium and nonequilibrium properties of fluids and solids. The content is accessible to graduate students, but will also be of benefit to specialists, since the presentation extends as far as the topics of ongoing research work.
Book Synopsis Advances in Disordered Systems, Random Processes and Some Applications by : Pierluigi Contucci
Download or read book Advances in Disordered Systems, Random Processes and Some Applications written by Pierluigi Contucci and published by Cambridge University Press. This book was released on 2017 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a unified perspective on the study of complex systems with contributions written by leading scientists from various disciplines, including mathematics, physics, computer science, biology, economics and social science. It is written for researchers from a broad range of scientific fields with an interest in recent developments in complex systems.
Book Synopsis Interplanetary Dynamical Processes by : Eugene Newman Parker
Download or read book Interplanetary Dynamical Processes written by Eugene Newman Parker and published by . This book was released on 1963 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Baldassare Di Bartolo Publisher :Springer Science & Business Media ISBN 13 :1468454757 Total Pages :439 pages Book Rating :4.4/5 (684 download)
Book Synopsis Disordered Solids by : Baldassare Di Bartolo
Download or read book Disordered Solids written by Baldassare Di Bartolo and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an account of the course "Disordered Solids: Structures and Processes" held in Erice, Italy, from June 15 to 29, 1987. This meeting was organized by the International School of Atomic and Molecular Spectroscopy of the "Ettore Majorana" Centre for Scientific Culture. The objective of this course was to present the advances in physical modelling, mathematical formalism and experimental techniques relevant to the interpretation of the structures of disordered solids and of the physical processes occurring therein. Traditional solid-state physics treats solids as perfect crystals and takes great advantage of their symmetry, by means of such mathematical formalisms as the reciprocal lattice, the Brillouin zone, and the powerful tools of group theory. Even if in reality no solid is a perfect crystal, this theoretical approach has been of great usefulness in describing solids: deviations from perfect order have been treated as perturbations of the ideal model. A new situation arises with truly disordered solids where any vestige of long range order has disappeared. The basic problem is that of describing these systems and gaining a scientific understanding of their physical properties without the mathematical formalism of traditional solid state physics. While some of the old approaches may occasionally remain valid (e. g. chemical bonding approach for amorphous solids), the old ways will not do. Disorder is not a perturbation: with disorder, something basically new may be expected to appear.
Book Synopsis Analysis and Data-Based Reconstruction of Complex Nonlinear Dynamical Systems by : M. Reza Rahimi Tabar
Download or read book Analysis and Data-Based Reconstruction of Complex Nonlinear Dynamical Systems written by M. Reza Rahimi Tabar and published by Springer. This book was released on 2019-07-04 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on a central question in the field of complex systems: Given a fluctuating (in time or space), uni- or multi-variant sequentially measured set of experimental data (even noisy data), how should one analyse non-parametrically the data, assess underlying trends, uncover characteristics of the fluctuations (including diffusion and jump contributions), and construct a stochastic evolution equation? Here, the term "non-parametrically" exemplifies that all the functions and parameters of the constructed stochastic evolution equation can be determined directly from the measured data. The book provides an overview of methods that have been developed for the analysis of fluctuating time series and of spatially disordered structures. Thanks to its feasibility and simplicity, it has been successfully applied to fluctuating time series and spatially disordered structures of complex systems studied in scientific fields such as physics, astrophysics, meteorology, earth science, engineering, finance, medicine and the neurosciences, and has led to a number of important results. The book also includes the numerical and analytical approaches to the analyses of complex time series that are most common in the physical and natural sciences. Further, it is self-contained and readily accessible to students, scientists, and researchers who are familiar with traditional methods of mathematics, such as ordinary, and partial differential equations. The codes for analysing continuous time series are available in an R package developed by the research group Turbulence, Wind energy and Stochastic (TWiSt) at the Carl von Ossietzky University of Oldenburg under the supervision of Prof. Dr. Joachim Peinke. This package makes it possible to extract the (stochastic) evolution equation underlying a set of data or measurements.
Download or read book The Glass Transition written by E. Donth and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes and interrelates the following processes: cooperative alpha processes in a cold liquid, structural relaxation in the glass near Tg, the Johari-Goldstein beta process, the Williams-Götze process in a warm liquid, fast nonactivated cage rattling and boson peak, and ultraslow Fischer modes.
Book Synopsis Disordered Materials and Interfaces: Volume 407 by : Herman Z. Cummins
Download or read book Disordered Materials and Interfaces: Volume 407 written by Herman Z. Cummins and published by . This book was released on 1996-03-26 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the fractal aspects of materials and disordered systems. Disorder plays a critical role in many naturally occurring and manufactured materials, both at the microscopic level (e.g., glasses) and the macroscopic level (e.g., foams, dendritic alloys, porous rock). The book addresses the dynamical processes involved in the formation and characterization of a wide range of disordered materials. Topics include: porous media; colloids; chemical reactions; dynamical aspects of the liquid-glass transition; disordered materials and surfaces and scaling and nanostructures.
Book Synopsis Relaxation Dynamics in Disordered Systems by : Michela Romanini
Download or read book Relaxation Dynamics in Disordered Systems written by Michela Romanini and published by . This book was released on 2015 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: The nature of the glass transition and of the glassy state is a fundamental and still unsolved problem of condensed matter physics. Many liquids can be supercooled below their melting point without crystallizing, that is, without acquiring translational and orientational order. As the temperature of a supercooled liquid is lowered, the characteristic timescale of moleuclar motions, called relaxation time, increases until it becomes comparable to the timescale of human experimentation. This takes place at the glass transition temperature and leads to a non-equilibrium state of matter, called a ¿structural glass¿, in which a liquid-like lack of order is combined with solid-like elastic properties. Glass transitions are also observed in systems where there is only orientational disorder, such as orientationally disordered (OD) crystals or plastic crystals, which are translationally ordered solids in which the constituent molecules display reorientational motions about their centres of mass. Upon supercooling an OD crystal, the orientational disorder can ¿freeze¿, yielding a so-called ¿orientational glass¿. In molecular materials forming structural or orientational glasses, the most important molecular dynamics process is the cooperative motion of the molecules, referred to as primary relaxation, whose freezing marks the transition to the glass state characterized by static disorder. The main difference between orientational and structural glasses is that in the former the freezing involves exclusively the rotational degrees of freedom of the molecules, while in the latter all six molecular degrees of freedom (i.e., both orientational and translational ones) are frozen. Orientational glasses are therefore systems with fewer degrees of freedom than structural glasses. This simplification, together with the fact that many OD phases are characterized by a crystal lattice with high symmetry, makes OD phases a model playground to investigate the nature of the glass transition. Other than the primary relaxation, there can be also so-called ¿secondary relaxations¿, usually characterized by shorter relaxation time than the primary process. Secondary relaxations may have different origins; for example, they can be due to conformational fluctuations or intramolecular vibrations; in many cases a special kind of secondary relaxation is observed, which is the single-molecule precursor process of the primary relaxation. This thesis focuses on the effect of pressure and temperature on the dynamics of several pure compounds and binary mixtures forming structural or orientational glasses. We present a comparative study between two structural glass formers (ternidazole and the mixture of m-fluoroaniline with m-xylene), a plastic binary mixed crystal (neopenthyl alchol and neopentyl glycol), and two materials displaying statistical orientational disorder (2-adamantanone and pentachloronitrobenzene). In all cases a primary relaxation is present, associated with the collective motion of the molecules, and in most cases also secondary relaxations are observed. For each material, we analyse the temperature- and pressure-dependence of the various molecular relaxation and discuss the origin of secondary processes. One of the most important results of the thesis is the presence of secondary relaxations also in systems with low-dimensional disorder that behave similarly to the secondary relaxations observed in structural glasses.
Book Synopsis Disorder Effects on Relaxational Processes by : Ranko Richert
Download or read book Disorder Effects on Relaxational Processes written by Ranko Richert and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 745 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of non-crystalline materials has seen the emergence of many challeng ing problems during its long history. In recent years, the interest in polymeric and biological disordered matter has stimulated new activities which in turn have enlarged the organic and inorganic glass community. The current research fields and recent progress have extended our knowledge of the rich phenomenol ogy of glassy systems, where the role of disorder is fundamental for the underlying microscopic dynamics. In addition, despite the lack of a unified theory, many interesting theoretical models have recently evolved. The present volume offers the reader a collection of topics representing the current state in the understanding of disorder effects as well as a survey of the basic problems and phenomena involved. The task of compiling a book devoted to disordered systems has benefited much from a seminar organized by the W.-E. Heraeus Foundation in Bad Honnef in April 1992, where we had the opportunity to discuss the project with most of the authors. Here we wish to thank the Heraeus Foundation for their support, and the authors and Springer-Verlag, especially Dr. Marion Hertel, for the pleasant cooperation.
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