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The Dynamic Properties Of Supercooled Liquids
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Book Synopsis The Dynamic Properties of Supercooled Liquids by : Gilroy Harrison
Download or read book The Dynamic Properties of Supercooled Liquids written by Gilroy Harrison and published by . This book was released on 1976 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: 2000 feature film, directed by Tom Tykwer. This film follows Sissi, who is a nurse in a psychiatric hospital. On her way to the bank to do a favour for a friend, she is run over by a truck. A young drifter, Bodo Riemer saves her life by performing a DIY tracheotomy and then vanishes as he is wanted by the police for robbery. Sissi makes a full recovery and becomes determined to find her saviour. In German with English subtitles.
Book Synopsis Analysis & Simulation of Dynamics in Supercooled Liquids by : Yael Sarah Elmatad
Download or read book Analysis & Simulation of Dynamics in Supercooled Liquids written by Yael Sarah Elmatad and published by . This book was released on 2011 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: The nature of supercooled liquids and the glass transition has been debated by many scientists. Several theories have been put forth to describe the remarkable properties of this out-of-equilibrium material. Each of these theories makes specific predictions as to how the scaling of various transport properties in supercooled materials should behave. Given access to a large pool of high-quality supercooled liquid data we seek to compare these theories to one another. Moreover, we explore properties of a pair of models which are the basis for one particularly attractive theory - Chandler-Garrahan theory - and discuss the models' behavior in space-time and possible implications to the behavior of experimental supercooled liquids. Here we investigate the nature of dynamics in supercooled liquids using a two pronged approach. First we analyze the transport properties found in experiments and simulations of supercooled liquids. Then, we analyze simulation trajectories for lattice models which reproduce many of the interesting properties of supercooled liquids. In doing so, we illuminate several glass universalities, common properties of a wide variety of glass formers. By analyzing relaxation time and viscosity data for over 50 data sets and 1200 points, we find that relaxation time can be collapsed onto a single, parabolic curve. This collapse supports a theory of universal glass behavior based on facilitated models proposed by David Chandler and Juan Garrahan in 2003. We then show that the parabolic fit parameters for any particular liquid are a material property: they converge fast and are capable of predicting behavior in regions beyond the included data sets. We compare this property to other popular fitting schemes such as the Vogel-Fulcher, double exponential, and fractional exponential forms and conclude that these three forms result in parameters which are non predictive and therefore not material properties. Additionally, we examine the role of attractive forces in liquids by comparing simulations of a Lennard-Jones mixture, which contains both attractions and repulsions, with that of a Weeks-Chandler-Andersen mixture, which only retains repulsive forces. We show that within the framework of the parabolic collapse, these two liquids behave identically. This suggests that attractive forces do not play a key role in glassy dynamics. Rather, repulsive forces - as has been shown in dense liquids - play the largest contributing role in jamming systems into glassy states. We further investigate the predicted fragile-to-strong crossover in glass formers and find no compelling evidence for the crossover in bulk materials at this time. Additionally, we study ensembles of trajectories for a specific class of kinetically constrained models which reproduce the dynamic heterogeneity found in real glass formers. The one dimensional models we consider are the Fredrickson-Andersen (FA) model and the east model. These two models have been shown to behave as supercooled liquids reproducing properties such as the breakdown of the Stokes-Einstein equation relating diffusion constants and relaxation times. We use transition path sampling in the s-ensemble to bias the system into low activity regions. It has been previously shown that the FA model goes through a first-order dynamical phase transition in trajectory space. We extend this to include a slightly softened FA model, which we believe to be more representative of atomistic systems. We have determined that this first order coexistence line ends in a critical point where the surface tension between active and inactive trajectories in space-time disappears. Beyond this region as the softened FA model becomes unconstrained, the transition disappears and no phase transition is detected. Beyond simulations, these results were verified by analytical methods. This verification was achieved by mapping of soft FA model onto a model which undergoes a quantum phase transition. Beyond the FA model, we consider the softened east model. Unlike the FA model, however, the east model relaxes hierarchically and has a particular directionality. Many of the same conclusions - such as the appearance of a non-trivial critical point in space time - appear in the east model. Moreover, many of the same analytical tools can be used to determine the symmetry line that separates the active and inactive phases. However, the exact mapping of the critical point location is unknown and the location of the critical point is determined numerically. We also investigate how the inactive phase created by applying a dynamical field relaxes to the active state under no external field and find that the process appears barrierless. Lastly, we propose current and ongoing work which seeks to understand how to numerically quantify the degree to which a system is dynamically facilitated by looking at multipoint correlation functions of endured kinks. We contrast this method with previously suggested methods based on locating avalanches by testing both methods on kinetically constrained models such as the east and FA models.
Book Synopsis Relating the Dynamics of Supercooled Liquids to the Localization Properties of the Instantaneous Normal Modes by : Vasile-Iulian V. Clapa
Download or read book Relating the Dynamics of Supercooled Liquids to the Localization Properties of the Instantaneous Normal Modes written by Vasile-Iulian V. Clapa and published by . This book was released on 2011 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Statistical Physics of Liquids at Freezing and Beyond by : Shankar Prasad Das
Download or read book Statistical Physics of Liquids at Freezing and Beyond written by Shankar Prasad Das and published by Cambridge University Press. This book was released on 2011-06-16 with total page 585 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exploring important theories for understanding freezing and the liquid-glass transition, this book is useful for graduate students and researchers in soft-condensed matter physics, chemical physics and materials science. It details recent ideas and key developments, providing an up-to-date view of current understanding. The standard tools of statistical physics for the dense liquid state are covered. The freezing transition is described from the classical density functional approach. Classical nucleation theory as well as applications of density functional methods for nucleation of crystals from the melt are discussed, and compared to results from computer simulation of simple systems. Discussions of supercooled liquids form a major part of the book. Theories of slow dynamics and the dynamical heterogeneities of the glassy state are presented, as well as nonequilibrium dynamics and thermodynamic phase transitions at deep supercooling. Mathematical treatments are given in full detail so readers can learn the basic techniques.
Book Synopsis Static and Dynamic Properties of Liquids by : Milorad Davidovic
Download or read book Static and Dynamic Properties of Liquids written by Milorad Davidovic and published by Springer. This book was released on 1989 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The idea of a workshop devoted to the static and dynamic properties of liquids arose from two smaller meetings on the same topic held at the Interfaculty Reactor Institute, Delft, The Netherlands in 1985 and 1987, and from the LAM conference (International Conference on Liquid and Amorphous Metals) held at Garmisch Partenkirchen, FRG, in 1986. The object of the Workshop was to bring together experimentalists, theoreticians and people working on computer simulations in or der to learn about developments in the microscopic behaviour of liquids. Approx imately 35 scientists from Austria, France, Israel, Italy, Sweden, The Netherlands, the United Kingdom, the Federal Republic of Germany and Yugoslavia gathered at the Hotel "Libertas", Dubrovnik, in Yugoslavia, June 27-30, 1988 to hear ten in vited talks and nineteen contributed papers on a wide range of subjects, including generalized hydrodynamics, mode coupling theory, liquids at surfaces, extraction of effective potentials, and the glass transition. The most numerous were the papers dealing with computer simulation, and then those on supercooled liquids and the glass transition. The number of experimental results was relatively small, which points to difficulties in this kind of research (evaluation of experimental data). The workshop closed with an expanded round-table discussion of the main themes of the meeting, with an emphasis on the likely trend of investigations in the future. This discussion is summarized at the end of this volume.
Book Synopsis Supercooled Liquids by : John T. Fourkas
Download or read book Supercooled Liquids written by John T. Fourkas and published by . This book was released on 1997 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents some of the most exciting recent work on supercooled liquids. Topics include domain models of supercooled liquids, inhomogeneity and polymorphism, and Mode-Coupling Theory and its applications. It provides in-depth coverage of supercooled water and of the connections between supercooled liquids and the conformational dynamics of proteins. The introduction includes a detailed discussion of terminology, major problems, and leading theoretical and experimental approaches.
Book Synopsis Structural, Electronic, and Dynamic Properties of Metallic Supercooled Liquid and Glasses Studied by NMR. by :
Download or read book Structural, Electronic, and Dynamic Properties of Metallic Supercooled Liquid and Glasses Studied by NMR. written by and published by . This book was released on 2003 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metallic glasses possess unique mechanical and magnetic properties such as extremely high hardness and have novel applications in many areas including national defense. What prevents the widespread use of metallic glasses is the difficulty in achieving the glassy form due to the low glass forming ability (GFA) of most metallic alloys. The search of new BMCs requires an understanding of GFA on the atomic level and over a wide range of timescales. In this study we used nuclear magnetic resonance (NMR), along with other techniques, to study both structures and atomic motions in Zr-based and Pd-based BMO systems over the entire temperature range from the liquid state down to the glassy state. We observed a clear evidence of a dynamic crossover at temperature Tc above the glass transition temperature Tg. This observation shows that below Tc atomic raffling within cages formed by neighboring atoms freezes rapidly. It demonstrates that such dynamic crossover plays a crucial role in glass transition. Comprehensive studies using NMR, x-ray diffraction, and differential scanning calorimetry revealed the details of nucleation and growth processes in such BMGs and 14.
Book Synopsis Functional Organic Liquids by : Takashi Nakanishi
Download or read book Functional Organic Liquids written by Takashi Nakanishi and published by John Wiley & Sons. This book was released on 2019-03-12 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first book to comprehensively cover the burgeoning new class of soft materials known as functional organic liquids Functional organic liquids, a new concept in soft matter materials science, exhibit favorable properties compared to amorphous polymers and ionic liquids. They are composed of a functional core unit and a side chain, which induces fluidity even at room temperature. Due to their fluidity, functional organic liquids can adopt any shape and geometry and fulfill their function in stretchable and bendable devices for applications in photovoltaics, organic electronics, biomedicine, and biochemistry. Presented in five parts, this book starts with an overview of the design methods and properties of functional organic liquids. The next three parts focus on the applications of this exciting new class of soft materials in the fields of energy conversion, nanotechnology, and biomaterials. They study the liquids for energy conversion, those containing inorganic nanoclusters, and solvent-free soft biomaterials. Functional Organic Liquids concludes with a comparison in terms of properties and application potential between functional organic liquids and more conventional soft matter such as ionic liquids and liquid metals. -Examines the current state of science and technology for functional organic liquids -Focuses on potential and already realized applications such as functional organic liquids for energy conversion -Stimulates researchers to move forward on future development and applications Functional Organic Liquids is an excellent book for materials scientists, polymer chemists, organic chemists, physical chemists, surface chemists, and surface physicists.
Book Synopsis A Molecular Dynamics Study of the Structure-dynamics Relationships of Supercooled Liquids and Glasses by : Ryan Soklaski
Download or read book A Molecular Dynamics Study of the Structure-dynamics Relationships of Supercooled Liquids and Glasses written by Ryan Soklaski and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Central to the field of condensed matter physics is a decades old outstanding problem in the study of glasses -- namely explaining the extreme slowing of dynamics in a liquid as it is supercooled towards the so-called glass transition. Efforts to universally describe the stretched relaxation processes and heterogeneous dynamics that characteristically develop in supercooled liquids remain divided in both their approaches and successes. Towards this end, a consensus on the role that atomic and molecular structures play in the liquid is even more tenuous. However, mounting material science research efforts have culminated to reveal that the vast diversity of metallic glass species and their properties are rooted in an equally-broad set of structural archetypes. Herein lies the motivation of this dissertation: the detailed information available regarding the structure-property relationships of metallic glasses provides a new context in which one can study the evolution of a supercooled liquid by utilizing a structural motif that is known to dominate the glass. Cu_64 Zr_36 is a binary alloy whose good glass-forming ability and simple composition makes it a canonical material to both empirical and numerical studies. Here, we perform classical molecular dynamics simulations and conduct a comprehensive analysis of the dynamical regimes of liquid Cu_64 Zr_36, while focusing on the roles played by atomic icosahedral ordering -- a structural motif which ultimately percolates the glass' structure. Large data analysis techniques are leveraged to obtain uniquely detailed structural and dynamical information in this context. In doing so, we develop the first account of the origin of icosahedral order in this alloy, revealing deep connections between this incipient structural ordering, frustration-limited domain theory, and recent important empirical findings that are relevant to the nature of metallic liquids at large. Furthermore, important dynamical landmarks such as the breakdown of the Stokes-Einstein relationship, the decoupling of particle diffusivities, and the development of general "glassy" relaxation features are found to coincide with successive manifestation of icosahedral ordering that arise as the liquid is supercooled. Remarkably, we detect critical-like features in the growth of the icosahedron network, with signatures that suggest that a liquid-liquid phase transition may occur in the deeply supercooled regime to precede glass formation. Such a transition is predicted to occur in many supercooled liquids, although explicit evidence of this phenomenon in realistic systems is scarce. Ultimately this work concludes that icosahedral order characterizes all dynamical regimes of Cu_64 Zr_36, demonstrating the importance and utility of studying supercooled liquids in the context of locally-preferred structure. More broadly, it serves to confirm and inform recent theoretical and empirical findings that are central to understanding the physics underlying the glass transition
Book Synopsis Dynamics in Supercooled Liquids by : Marcus T. Cicerone
Download or read book Dynamics in Supercooled Liquids written by Marcus T. Cicerone and published by . This book was released on 1994 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Landscapes written by David Wales and published by Cambridge University Press. This book was released on 2003 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt: A self-contained account of energy landscape theory aimed at graduate students and researchers.
Book Synopsis Electrical Properties of Polymers by : Evaristo Riande
Download or read book Electrical Properties of Polymers written by Evaristo Riande and published by CRC Press. This book was released on 2004-05-21 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrical Properties of Polymers describes the electric phenomena responsible for determining the chemical and supramolecular structure of polymers and polymeric materials. The authors explore the properties of quasi-static dipoles, reviewing Brownian motion, Debye theory, Langevin and Smoluchowski equations, and the Onsager model. This reference displays Maxwell and entropy equations, along with several others, that depict the thermodynamics of dielectric relaxation. Featuring end-of-chapter problems and useful appendices, the book reviews molecular dynamics simulations of dynamic dielectric properties and inspects mean-square dipole moments of gases, liquids, polymers, and fixed conformations.
Book Synopsis Water in Biological and Chemical Processes by : Biman Bagchi
Download or read book Water in Biological and Chemical Processes written by Biman Bagchi and published by Cambridge University Press. This book was released on 2013-11-14 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unified overview of the dynamical properties of water and its unique and diverse role in biological and chemical processes.
Book Synopsis Statistical Mechanics for the Liquid State by : Jean-Louis Bretonnet
Download or read book Statistical Mechanics for the Liquid State written by Jean-Louis Bretonnet and published by Cambridge Scholars Publishing. This book was released on 2020-09-18 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a simple and accessible form, this book presents a unified approach to the physics of the liquid state, both in and out of equilibrium. It discerns, behind the seemingly anarchistic proliferation of phenomena observable in the liquid state, the sequence of causes and effects and, where appropriate, the underlying rules that preside over the general principles. The book begins by introducing the fundamental concepts of statistical mechanics, such as classical and quantum mechanics, probability theory, and the kinetic theory of gases, before moving on to discuss theoretical methods in order to contextualise the study of liquids. The last final section is devoted to ordering in complex fluids. It includes detailed technical notes and explicit calculations, and will appeal to graduate students in physics and chemistry. It will also be of interest the reader interested in statistical mechanics and their application to the physics of dense matter. This book will certainly become an indispensable reference for students and researchers who wish to become familiar with a multifaceted process looking towards new horizons.
Book Synopsis Solid State Physics by : S. L. Chaplot
Download or read book Solid State Physics written by S. L. Chaplot and published by Alpha Science Int'l Ltd.. This book was released on 2002 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume covers the proceedings of the 44th Department of Atomic Engineering (DAE) Solid State Physics Symposium.With contributions of papers from institutions from around the world. Contains 316 research articles, including 28 invited papers, on a wide range of topics of current interest in solid state physics comprising the following categories: Phase Transitions Phonons Soft-condensed Matter Electronic Structure Novel Materials Superconductivity Experimental Techniques and Instrumentation Magnetism Liquids, Glasses and Amorphous Systems Transport Properties Relaxation Studies Semiconductor Physics Surface Science Key Features: Recent developments in Synchrotron Research Photo-electron Spectroscopy Newly emerging superconductors
Download or read book Interface Dynamics written by D. Berthe and published by Elsevier. This book was released on 1988-09-01 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many tribologists are today not only explicitly concerned with interface action but also with interface composition. This proceedings volume presents a timely review on topics ranging from interface dynamics to interface elimination, covering all factors such as contact stress fields, interface rheology, and boundary slip, that control the passage from formation to elimination. The volume contains 45 papers divided into 13 sessions, that were presented at the symposium.
Book Synopsis Structural Glasses and Supercooled Liquids by : Peter G. Wolynes
Download or read book Structural Glasses and Supercooled Liquids written by Peter G. Wolynes and published by John Wiley & Sons. This book was released on 2012-04-10 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: With contributions from 24 global experts in diverse fields, and edited by world-recognized leaders in physical chemistry, chemical physics and biophysics, Structural Glasses and Supercooled Liquids: Theory, Experiment, and Applications presents a modern, complete survey of glassy phenomena in many systems based on firmly established characteristics of the underlying molecular motions as deduced by first principle theoretical calculations, or with direct/single-molecule experimental techniques. A well-rounded view of a variety of disordered systems where cooperative phenomena, which are epitomized by supercooled liquids, take place is provided. These systems include structural glasses and supercooled liquids, polymers, complex liquids, protein conformational dynamics, and strongly interacting electron systems with quenched/self-generated disorder. Detailed calculations and reasoned arguments closely corresponding with experimental data are included, making the book accessible to an educated non-expert reader.
