Memory Functions, Projection Operators, and the Defect Technique PDF Download
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Author: V. M. (Nitant) Kenkre
Publisher: Springer Nature
ISBN: 3030686671
Category : Science
Languages : en
Pages : 374
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Book Description
This book provides a graduate-level introduction to three powerful and closely related techniques in condensed matter physics: memory functions, projection operators, and the defect technique. Memory functions appear in the formalism of the generalized master equations that express the time evolution of probabilities via equations non-local in time, projection operators allow the extraction of parts of quantities, such as the diagonal parts of density matrices in statistical mechanics, and the defect technique allows solution of transport equations in which the translational invariance is broken in small regions, such as when crystals are doped with impurities. These three methods combined form an immensely useful toolkit for investigations in such disparate areas of physics as excitation in molecular crystals, sensitized luminescence, charge transport, non-equilibrium statistical physics, vibrational relaxation, granular materials, NMR, and even theoretical ecology. This book explains the three techniques and their interrelated nature, along with plenty of illustrative examples. Graduate students beginning to embark on a research project in condensed matter physics will find this book to be a most fruitful source of theoretical training.
Author: V. M. (Nitant) Kenkre
Publisher: Springer Nature
ISBN: 3030686671
Category : Science
Languages : en
Pages : 374
Get Book Here
Book Description
This book provides a graduate-level introduction to three powerful and closely related techniques in condensed matter physics: memory functions, projection operators, and the defect technique. Memory functions appear in the formalism of the generalized master equations that express the time evolution of probabilities via equations non-local in time, projection operators allow the extraction of parts of quantities, such as the diagonal parts of density matrices in statistical mechanics, and the defect technique allows solution of transport equations in which the translational invariance is broken in small regions, such as when crystals are doped with impurities. These three methods combined form an immensely useful toolkit for investigations in such disparate areas of physics as excitation in molecular crystals, sensitized luminescence, charge transport, non-equilibrium statistical physics, vibrational relaxation, granular materials, NMR, and even theoretical ecology. This book explains the three techniques and their interrelated nature, along with plenty of illustrative examples. Graduate students beginning to embark on a research project in condensed matter physics will find this book to be a most fruitful source of theoretical training.
Author: Richard I. Suchenski
Publisher: Oxford University Press
ISBN: 0190274123
Category : Performing Arts
Languages : en
Pages : 337
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Book Description
Projections of Memory is an exploration of a body of innovative cinematic works that utilize their extraordinary scope to construct monuments to the imagination that promise profound transformations of vision, selfhood, and experience. This form of cinema acts as a nexus through which currents from the other arts can interpenetrate. By examining the strategies of these projects in relation to one another and to the larger historical forces that shape them--tracing the shifts and permutations of their forms and aspirations--Projections of Memory remaps film history around some of its most ambitious achievements and helps to clarify the stakes of cinema as a twentieth-century art form.
Author: Helene Balslev Clausen
Publisher: Routledge
ISBN: 1136340254
Category : History
Languages : en
Pages : 262
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Book Description
Two phenomena are of central interest in the nine contributions that make up this volume: one is the question of power and its multiple forms, and the other is that geographical, political and cultural multifaceted unity we call the ‘the Americas’. The book is a multidisciplinary effort, written by scholars from the fields of history, political science, anthropology, sociology and cultural studies, who all share an interest in the ways in which power is projected in the Americas. Some contributors focus on the sources of power, while others are more concerned with how it is presented and legitimized by those who hold it. Likewise, some investigate the relations between government and citizens, while others look at more informal structures of power. Common to all contributions, however, is that they attempt to trace the forms that political and social power take in different American contexts – from the highest echelons of political power in Washington, D.C. to the local politics of a small village in Mexico. Common to all contributions is a nuanced exploration of the various manifestations of political and social power in the Americas.
Author: Uberto Barbini
Publisher: Pragmatic Bookshelf
ISBN:
Category : Computers
Languages : en
Pages : 595
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Book Description
Build applications quicker and with less effort using functional programming and Kotlin. Learn by building a complete application, from gathering requirements to delivering a microservice architecture following functional programming principles. Learn how to implement CQRS and EventSourcing in a functional way to map the domain into code better and to keep the cost of change low for the whole application life cycle. If you're curious about functional programming or you are struggling with how to put it into practice, this guide will help you increase your productivity composing small functions together instead of creating fat objects. Switching to the functional paradigm isn't easy when you're used to object-oriented programming. You need more than just lambdas and mapping over collections to get a declarative style and disentangle the state from the computations. Use transformations and compositions to help you write less code with better results. Boost your productivity and harness the power of functional programming by creating real-world applications rather than focusing on theoretical concepts. Work through a series of short exercises to find and compose pure functions, and create data structures that work like algebra. Get rid of mutable state in your software to eliminate the main source of bugs. Apply CQRS and EventSourcing patterns to translate stakeholder requirements into functional design and then into code. See how Kotlin's easy-to-learn syntax and functional-friendly approach make it a great option for a pragmatic language that integrates well with existing Java code and libraries. Leverage functional programming to build and deliver robust applications in less time and with fewer defects. What You Need: The code in this book is designed to allow you to build your application from scratch on Windows, Mac and Linux. You will need a recent IDE, we recommend IntelliJ Community Edition, and Kotlin 1.3.x or later.
Author: Neal J. Cohen
Publisher: MIT Press
ISBN: 9780262531320
Category : Medical
Languages : en
Pages : 1182
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Book Description
In this sweeping synthesis, Neal J. Cohen and Howard Eichenbaum bring together converging findings from neuropsychology, neuroscience, and cognitive science that provide the critical clues and constraints for developing a more comprehensive understanding of memory. Specifically, they offer a cognitive neuroscience theory of memory that accounts for the nature of memory impairment exhibited in human amnesia and animal models of amnesia, that specifies the functional role played by the hippocampal system in memory, and that provides further understanding of the componential structure of memory.The authors' central thesis is that the hippocampal system mediates a capacity for declarative memory, the kind of memory that in humans supports conscious recollection and the explicit and flexible expression of memories. They argue that this capacity emerges from a representation of critical relations among items in memory, and that such a relational representation supports the ability to make inferences and generalizations from memory, and to manipulate and flexibly express memory in countless ways. In articulating such a description of the fundamental nature of declarative representation and of the mnemonic capabilities to which it gives rise, the authors' theory constitutes a major extension and elaboration of the earlier procedural-declarative account of memory.Support for this view is taken from a variety of experimental studies of amnesia in humans, nonhuman primates, and rodents. Additional support is drawn from observations concerning the neuroanatomy and neurophysiology of the hippocampal system. The data taken from divergent literatures are shown to converge on the central theme of hippocampal involvement in declarative memory across species and across behavioral paradigms.
Author: Robert B. J. Warnar
Publisher:
ISBN:
Category : Computer storage devices
Languages : en
Pages : 156
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Book Description
Author: Karl Deisseroth
Publisher: Random House
ISBN: 1984853694
Category : Science
Languages : en
Pages : 257
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Book Description
A groundbreaking tour of the human mind that illuminates the biological nature of our inner worlds and emotions, through gripping, moving—and, at times, harrowing—clinical stories “[A] scintillating and moving analysis of the human brain and emotions.”—Nature “Beautifully connects the inner feelings within all human beings to deep insights from modern psychiatry and neuroscience.”—Robert Lefkowitz, Nobel Laureate Karl Deisseroth has spent his life pursuing truths about the human mind, both as a renowned clinical psychiatrist and as a researcher creating and developing the revolutionary field of optogenetics, which uses light to help decipher the brain’s workings. In Projections, he combines his knowledge of the brain’s inner circuitry with a deep empathy for his patients to examine what mental illness reveals about the human mind and the origin of human feelings—how the broken can illuminate the unbroken. Through cutting-edge research and gripping case studies from Deisseroth’s own patients, Projections tells a larger story about the material origins of human emotion, bridging the gap between the ancient circuits of our brain and the poignant moments of suffering in our daily lives. The stories of Deisseroth’s patients are rich with humanity and shine an unprecedented light on the self—and the ways in which it can break down. A young woman with an eating disorder reveals how the mind can rebel against the brain’s most primitive drives of hunger and thirst; an older man, smothered into silence by depression and dementia, shows how humans evolved to feel not only joy but also its absence; and a lonely Uighur woman far from her homeland teaches both the importance—and challenges—of deep social bonds. Illuminating, literary, and essential, Projections is a revelatory, immensely powerful work. It transforms our understanding not only of the brain but of ourselves as social beings—giving vivid illustrations through science and resonant human stories of our yearning for connection and meaning.
Author:
Publisher:
ISBN:
Category : Patents
Languages : en
Pages : 832
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Book Description
Author: Edmund T. Rolls
Publisher:
ISBN: 0199659893
Category : Business & Economics
Languages : en
Pages : 729
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Book Description
What produces emotions? Why do we have emotions? How do we have emotions? Why do emotional states feel like something? What is the relation between emotion, and reward value, and subjective feelings of pleasure? These are just some of the question considered in this book, written by a leading neuroscientist in this field.
Author: James L. McGaugh
Publisher: Oxford University Press, USA
ISBN: 0195077121
Category : Anatomy
Languages : en
Pages : 428
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Book Description
The book reviews recent progress in understanding forms of memory in animals and humans and the interaction of cortical and subcortical systems in the regulation of memory. It will be an invaluable source for cognitive psychologists, neuroscientists, and students.
