This book provides a comprehensive treatment of the two fundamental aspects of a solid that determine its physical properties: lattice structure and atomic vibrations (phonons). The elements of group theory are extensively developed and used as a tool to show how the symmetry of a solid and the vibrations of the atoms in the solid lead to the physical properties of the material. The uses of different types of spectroscopy techniques that elucidate the lattice structure of a solid and the normal vibrational modes of the atoms in the solid are described. The interaction of light with solids (optical spectroscopy) is described in detail including how lattice symmetry and phonons affect the spectral properties and how spectral properties provide information about the material's symmetry and normal modes of lattice vibrations. The effects of point defects (doping) on the lattice symmetry and atomic vibrations and thus the spectral properties are discussed and used to show how material symmetry and lattice vibrations are critical in determining the properties of solid state lasers.
Complete with reference tables and sample problems, this volume serves as a textbook or reference for solid-state physics and chemistry, materials science, and engineering. Chapters illustrate symmetry, and its role in determining solid properties, as well as a demonstration of group theory.
Kindled by her own intimate history with her cell phone and a growing curiosity about information and communication technologies in general, Powell discusses her thoughts, reactions to and interpretations of some of the literature on these technologies. She draws on and reviews contributions by some authors on the social shaping of ICTs and social media to offer a more complete understanding of technology in relation to those who use and are used by it. From publisher description.
Complete with reference tables and sample problems, this volume serves as a textbook or reference for solid-state physics and chemistry, materials science, and engineering. Chapters illustrate symmetry, and its role in determining solid properties, as well as a demonstration of group theory.
In Pray Hard & Speak Life, Cliff Powell's story is a crystal-clear picture of the hope and restoration that is only found in Jesus! Every page drips with real life mixed with grace, forgiveness, love, and hope! You will not only be encouraged and challenged but you will also be reminded that life with Jesus is an adventure with a beautiful, expected end!" -Acton Bowen, bestselling author "Beautifully written, Pray Hard & Speak Life will lift your spirits and inspire your soul. It takes you on a journey through the most intimate, heart-wrenching experiences a young man could possibly endure. He was able to overcome a lifetime of trials and tribulations through his trust in God and love of family. His heart's on fire with a burning desire to help others who may be going through their own setbacks in life by helping them learn to pray hard and speak life." -Sharon Schuler Kreps, author of Jokers & Dandies Whether it's a financial struggle, physical ailment, or emotional tragedy, you have the ability to determine if the battle you face will be lost or won. In Pray Hard & Speak Life, the author reflects on some of the most challenging battles he has faced and how one friend who became the love of his life stayed by his side through it all, only to become the victim of a battle that taught him how to pray hard and speak life. This memoir walks the reader down a road covered with scenery that displays the best and the worst of the author's most private moments. He shares how he was able to make the transformation from addiction to sobriety through the love of Jesus and how the real battle had just begun.
What does it mean to be marginal? For residents of Cape Town's Langa Township, being considered marginal is subject to a host of social, physical and sometimes materialistic qualifications - not least of which is owning a mobile phone. Through various presentations of unique aspects of township life revealed through ethnographic snapshots, this book reveals the complex realities of marginalization experienced by some residents in Langa Township, located in Cape Town, South Africa. Mobile phones have been embraced and accommodated by both local South Africans and African immigrant residents living and working in Langa. Among other things, the technology has become a way of challenging (real and imagined) marginalities within the township in particular and South Africa in general. The book provides empirical data on the role of technology in regards to migration and notions of belonging; specifically the ways that technology has mitigated distance for residents, provided opportunities for development, facilitated the negotiation of various marginalities, and offered new ways of belonging for Langa residents.
Embark on a profound odyssey of self-discovery and spiritual enlightenment with 'Chakra Evolution’—a captivating voyage into the depths of the mystical realms within. Delve into the essence of what it truly means to embody the crystalline nature of existence as you chart the evolution of your chakra centres. Explore the intricate pathways of your energetic system, unraveling the profound wisdom encoded within each energy vortex. Within these pages, you'll uncover transformative tools and practices designed to heal trauma wounds and dismantle restrictive patterns that obstruct the free flow of energy. Discover how to protect your energy body and recognise the symptoms of ascension as you navigate the ebbs and flows of your spiritual journey, finding balance and empowerment in every step. With breathtaking illustrations illuminating the path to enlightenment, 'Chakra Evolution’ invites you to ignite your inner light and awaken to new dimensions of conscious living. Through personal anecdotes and timeless wisdom, this book offers a transformative journey of self-realisation and spiritual growth. Are you ready to embark on this luminous adventure and illuminate the cosmos within?
This graduate-level text presents the fundamental physics of solid-state lasers, including the basis of laser action and the optical and electronic properties of laser materials. After an overview of the topic, the first part begins with a review of quantum mechanics and solid-state physics, spectroscopy, and crystal field theory; it then treats the quantum theory of radiation, the emission and absorption of radiation, and nonlinear optics; concluding with discussions of lattice vibrations and ion-ion interactions, and their effects on optical properties and laser action. The second part treats specific solid-state laser materials, the prototypical ruby and Nd-YAG systems being treated in greatest detail; and the book concludes with a discussion of novel and non-standard materials. Some knowledge of quantum mechanics and solid-state physics is assumed, but the discussion is as self-contained as possible, making this an excellent reference, as well as useful for independent study.
This graduate-level text presents the fundamental physics of solid-state lasers, including the basis of laser action and the optical and electronic properties of laser materials. After an overview of the topic, the first part begins with a review of quantum mechanics and solid-state physics, spectroscopy, and crystal field theory; it then treats the quantum theory of radiation, the emission and absorption of radiation, and nonlinear optics; concluding with discussions of lattice vibrations and ion-ion interactions, and their effects on optical properties and laser action. The second part treats specific solid-state laser materials, the prototypical ruby and Nd-YAG systems being treated in greatest detail; and the book concludes with a discussion of novel and non-standard materials. Some knowledge of quantum mechanics and solid-state physics is assumed, but the discussion is as self-contained as possible, making this an excellent reference, as well as useful for independent study.
Embark on a profound odyssey of self-discovery and spiritual enlightenment with 'Chakra Evolution’—a captivating voyage into the depths of the mystical realms within. Delve into the essence of what it truly means to embody the crystalline nature of existence as you chart the evolution of your chakra centres. Explore the intricate pathways of your energetic system, unraveling the profound wisdom encoded within each energy vortex. Within these pages, you'll uncover transformative tools and practices designed to heal trauma wounds and dismantle restrictive patterns that obstruct the free flow of energy. Discover how to protect your energy body and recognise the symptoms of ascension as you navigate the ebbs and flows of your spiritual journey, finding balance and empowerment in every step. With breathtaking illustrations illuminating the path to enlightenment, 'Chakra Evolution’ invites you to ignite your inner light and awaken to new dimensions of conscious living. Through personal anecdotes and timeless wisdom, this book offers a transformative journey of self-realisation and spiritual growth. Are you ready to embark on this luminous adventure and illuminate the cosmos within?
Praise for Modeling for Insight "Most books on modeling are either too theoretical or too focused on the mechanics of programming. Powell and Batt's emphasis on using simple spreadsheet models to gain business insight (which is, after all, the name of the game) is what makes this book stand head and shoulders above the rest. This clear and practical book deserves a place on the shelf of every business analyst." —Jonathan Koomey, PhD, Lawrence Berkeley National Laboratory and Stanford University, author of Turning Numbers into Knowledge: Mastering the Art of Problem Solving Most business analysts are familiar with using spreadsheets to organize data and build routine models. However, analysts often struggle when faced with examining new and ill-structured problems. Modeling for Insight is a one-of-a-kind guide to building effective spreadsheet models and using them to generate insights. With its hands-on approach, this book provides readers with an effective modeling process and specific modeling tools to become a master modeler. The authors provide a structured approach to problem-solving using four main steps: frame the problem, diagram the problem, build a model, and generate insights. Extensive examples, graduated in difficulty, help readers to internalize this modeling process, while also demonstrating the application of important modeling tools, including: Influence diagrams Spreadsheet engineering Parameterization Sensitivity analysis Strategy analysis Iterative modeling The real-world examples found in the book are drawn from a wide range of fields such as financial planning, insurance, pharmaceuticals, advertising, and manufacturing. Each chapter concludes with a discussion on how to use the insights drawn from these models to create an effective business presentation. Microsoft Office Excel and PowerPoint are used throughout the book, along with the add-ins Premium Solver, Crystal Ball, and Sensitivity Toolkit. Detailed appendices guide readers through the use of these software packages, and the spreadsheet models discussed in the book are available to download via the book's related Web site. Modeling for Insight is an ideal book for courses in engineering, operations research, and management science at the upper-undergraduate and graduate levels. It is also a valuable resource for consultants and business analysts who often use spreadsheets to better understand complex problems.
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