THEORETISCHE PHYSIK FUR STUDIERENDE DES LEHRAMTS 1 QUANTENMECHANIK SPRINGER LEHRBUCH GERMAN EDITION

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Ultraviolet And Soft X Ray Free Electron Lasers

Author : Peter Schmüser
ISBN : 9783540795728
Genre : Science
File Size : 74.31 MB
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The high scienti?c interest in coherent X-ray light sources has stimulated world-wide e?orts in developing X-ray lasers. In this book a particularly promising approach is described, the free-electron laser (FEL), which is p- sued worldwide and holds the promise to deliver ultra-bright X-ray pulses of femtosecond duration. Other types of X-ray lasers are not discussed nor do we try a comparison of the relative virtues and drawbacks of di?erent concepts. The book has an introductory character and is written in the style of a universitytextbookforthemanynewcomerstothe?eldoffree-electronlasers, graduate students as well as accelerator physicists, engineers and technicians; it is not intended to be a scienti?c monograph for the experts in the ?eld. Building on lectures by one of us (J. R.) at the CERN Accelerator School, and motivated by the positive response to a series of seminars on “FEL t- ory for pedestrians”, given by P. S. within the framework of the Academic Training Program at DESY, we have aimed at presenting the theory of the low-gainandthehigh-gainFELinaclearandconcisemathematicallanguage. Particular emphasis is put on explaining and justifying the assumptions and approximations that are needed to obtain the di?erential equations descr- ing the FEL dynamics. Although we have tried our best to be “simple”, the mathematical derivations are certainly not always as simple as one would like them to be. However, we are not aware of any easier approach to the FEL theory. Some of the more involved calculations are put into the appendices.
Category: Science

Photochemistry And Photophysics Of Coordination Compounds Ii

Author : Vincenzo Balzani
ISBN : 9783540733492
Genre : Science
File Size : 41.55 MB
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Photochemistry (a term that broadly speaking includes photophysics) is abranchofmodernsciencethatdealswiththeinteractionoflightwithmatter and lies at the crossroadsof chemistry, physics, and biology. However, before being a branch of modern science, photochemistry was (and still is today), an extremely important natural phenomenon. When God said: “Let there be light”, photochemistry began to operate, helping God to create the world as wenowknowit.Itislikelythatphotochemistrywasthesparkfortheoriginof life on Earth and played a fundamental role in the evolution of life. Through the photosynthetic process that takes place in green plants, photochemistry is responsible for the maintenance of all living organisms. In the geological past photochemistry caused the accumulation of the deposits of coal, oil, and naturalgasthat wenowuseasfuels.Photochemistryisinvolved inthecontrol ofozoneinthestratosphereandinagreatnumber ofenvironmentalprocesses thatoccurintheatmosphere,inthesea,andonthesoil.Photochemistryisthe essenceoftheprocessofvisionandcausesavarietyofbehavioralresponsesin living organisms. Photochemistry as a science is quite young; we only need to go back less than one century to ?nd its early pioneer [1]. The concept of coordination compound is also relatively young; it was established in 1892, when Alfred Werner conceived his theory of metal complexes [2]. Since then, the terms coordination compound and metal complex have been used as synonyms, even if in the last 30 years, coordination chemistry has extended its scope to the binding ofall kinds of substrates [3, 4].
Category: Science

Brain Theory From A Circuits And Systems Perspective

Author : John Robert Burger
ISBN : 9781461464129
Genre : Medical
File Size : 53.92 MB
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This book models an idealized neuron as being driven by basic electrical elements, the goal being to systematically characterize the logical properties of neural pulses. In order to constitute a system, neurons as pulsating devices may be represented using novel circuit elements as delineated in this book. A plausible brain system is implied by the delineated elements and logically follows from known and likely properties of a neuron. New to electrical science are novel pulse-related circuit elements involving recursive neurons. A recursive neuron, when properly excited, produces a self-sustaining pulse train that when sampled, provides a true output with a specified probability, and a false output with complementary probability. Because of its similarity to the qubits of quantum mechanics, the recursive pulsating neuron is termed a simulated qubit. Recursive neurons easily function as controlled toggle devices and so are capable of massively parallel calculations, this being a new dimension in brain functioning as described in this book. Simulated qubits and their possibilities are compared to the qubits of quantum physics. Included in the book are suggested neural circuits for associative memory search via a randomized process of cue selection, and neural circuits for priority calculations. These serve to select returns from long term memory, which in turn determines one's next conscious thought or action based on past memorized experiences. The book reports on proposals involving electron tunneling between synapses, and quantum computations within neurons. Although not a textbook, there are easy exercises at the ends of chapters, and in the appendix there are twelve simulation experiments concerning neurons. ​
Category: Medical

Statistics For Dummies

Author : Deborah J. Rumsey
ISBN : 9781119297512
Genre : Mathematics
File Size : 33.9 MB
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Statistics For Dummies, 2nd Edition (9781119293521) was previously published as Statistics For Dummies, 2nd Edition (9780470911082). While this version features a new Dummies cover and design, the content is the same as the prior release and should not be considered a new or updated product. The fun and easy way to get down to business with statistics Stymied by statistics? No fear? this friendly guide offers clear, practical explanations of statistical ideas, techniques, formulas, and calculations, with lots of examples that show you how these concepts apply to your everyday life. Statistics For Dummies shows you how to interpret and critique graphs and charts, determine the odds with probability, guesstimate with confidence using confidence intervals, set up and carry out a hypothesis test, compute statistical formulas, and more. Tracks to a typical first semester statistics course Updated examples resonate with today's students Explanations mirror teaching methods and classroom protocol Packed with practical advice and real-world problems, Statistics For Dummies gives you everything you need to analyze and interpret data for improved classroom or on-the-job performance.
Category: Mathematics

Handbook Of Neurochemistry

Author : Abel Lajtha
ISBN : 9781461571728
Genre : Medical
File Size : 63.61 MB
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Anyone who has any contact with mental patients, old or young, or their families, or just visits a mental hospital or school for the retarded, is aware of the tremendous suffering caused by malfunctioning of the brain. The func tion of no other organ is so crucial for our everyday life, our proper func tioning, indeed our happiness, and no other illness causes as much anguish to patients or their families as mental illness. It is surprising and sad, therefore, how little effort has been devoted to research in this area; more so because such research is the only hope to ameliorate this suffering, or, to speak in the language of politics or economics, to decrease the enormous sums that we spend on trying to help our patients, with what is must generally be agreed are the most primitive and inadequate methods of treatment. Clearly, since functions of the brain are vital not only in illness, but in health, pathology is not the only area of concern to neurochemists, but it is an area that urgently needs neurochemical contributions. Progress in this field has been slower than in other areas of neurochemistry, and it seems that solutions in this field are very elusive. The reason for this is that the experimental approach is especially difficult in conditions specific for humans, or specific for complex behavior.
Category: Medical

Bosch Automotive Electrics And Automotive Electronics

Author : Robert Bosch GmbH
ISBN : 9783658017842
Genre : Technology & Engineering
File Size : 42.96 MB
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This is a complete reference guide to automotive electrics and electronics. This new edition of the definitive reference for automotive engineers, compiled by one of the world's largest automotive equipment suppliers, includes new and updated material. As in previous editions different topics are covered in a concise but descriptive way backed up by diagrams, graphs, photographs and tables enabling the reader to better comprehend the subject. This fifth edition revises the classical topics of the vehicle electrical systems such as system architecture, control, components and sensors. There is now greater detail on electronics and their application in the motor vehicle, including electrical energy management (EEM) and discusses the topic of inter system networking within the vehicle. It also includes a description of the concept of hybrid drive a topic that is particularly current due to its ability to reduce fuel consumption and therefore CO2 emissions.This book will benefit automotive engineers and design engineers, automotive technicians in training and mechanics and technicians in garages. It may also be of interest to teachers/ lecturers and students at vocational colleges, and enthusiasts.​
Category: Technology & Engineering

Unified Field Theories

Author : J.B. Barbour
ISBN : 9783034801744
Genre : Mathematics
File Size : 28.72 MB
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Drawing on Russian sources, the author analyses the early further development of unified field theories. He presents the evolution of these theories as a process of interaction and competition between geometric field and quantum research programs.
Category: Mathematics

Micromammals And Macroparasites

Author : S. Morand
ISBN : 9784431360254
Genre : Science
File Size : 35.73 MB
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This book provides a comprehensive survey of the diversity and biology of metazoan parasites affecting small mammals, of their impact on host individuals and populations, and of the management implications of these parasites for conservation biology and human welfare. Designed for a broad, multidisciplinary audience, the book is an essential resource for researchers, students, and practitioners alike.
Category: Science

Intelligent Interactive Technologies And Multimedia

Author : Anupam Agrawal
ISBN : 9783642374630
Genre : Computers
File Size : 90.18 MB
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This book constitutes the refereed proceedings of the Second International Conference on Intelligent Interactive Technologies and Multimedia, IITM 2013, held in Allahabad, India, in March 2013. The 15 revised full papers and the 12 revised short papers were carefully reviewed and selected from more than 90 submissions. The papers present the latest research and development in the areas of intelligent interactive technologies, human-computer interaction and multimedia.
Category: Computers

Around Hartwick

Author : Hartwick Historical Society
ISBN : 9781467123747
Genre : History
File Size : 28.41 MB
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Around Hartwick depicts the history of the rural Hartwick Township at the geographical heart of Otsego County, nestled along the Otego Valley between western hills and the Susquehanna River. Named for John Christopher Hartwick, an itinerant German preacher with the dream of a "New Jerusalem" church and school, the township became the site of the first Lutheran Theological Association in America. Abundant water sources powered large woolen, cotton, and paper mills in Clintonville, Toddsville, and South Hartwick. Fertile land produced farm crops, including a contribution to the highest yield of hops in the world. With extension of the electric trolley north through the Otego Valley to the Mohawk Valley, the Hartwick hamlet prospered as the site of railway headquarters, central carbarns, and the sole power source for this vital transportation link. With the advent of the mechanical age and changing economics, mills relocated, the railway ceased, and farm production declined. Today, the township enjoys renewed prosperity with the influence of history museums and baseball from nearby Cooperstown.
Category: History