Texte Zur Quantentheorie
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Texte Zur Quantentheorie
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Author : Moritz Schlick
language : de
Publisher: Felix Meiner Verlag
Release Date : 2021-01-13
Texte Zur Quantentheorie written by Moritz Schlick and has been published by Felix Meiner Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-13 with Philosophy categories.
Die in diesem Band zusammengestellten Texte Schlicks aus den Zwanziger- und Dreißigerjahren vermitteln vor dem Hintergrund der Einstein'schen Relativitätsrevolution das Bild einer Zeit des radikalen Umbruchs und der Entstehung des Neuen in der Physik. Als Protagonist einer Epoche intensiver Wechselwirkung zwischen naturwissenschaftlicher Forschung und philosophischer Reflexion stand Schlick, der bei Max Planck promoviert wurde, in einem intensiven Gedankenaustausch mit der Gemeinschaft der Quantenphysiker, wozu u. a. Max Born, Werner Heisenberg, Erwin Schrödinger, Pascual Jordan und Wolfgang Pauli zählten. Während sie der noch jungen Theorie der Quanten zum Durchbruch verhalfen, lieferte Schlick vor allem in Auseinandersetzung mit Hans Reichenbach und unter dem Einfluss der sprachphilosophischen Wende Ludwig Wittgensteins stehend zentrale Beiträge zum neuen Verständnis der physikalischen Realität, zu den Begriffen von Kausalität und Wahrscheinlichkeit, aber auch zum Problem der Messung und zum Verhältnis zwischen Physik und Biologie.
The Creation Of Quantum Mechanics And The Bohr Pauli Dialogue
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Author : J. Hendry
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Creation Of Quantum Mechanics And The Bohr Pauli Dialogue written by J. Hendry and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Many books have been written on the history of quantum mechanics. So far as I am aware, however, this is the first to incorporate the results of the large amount of detailed scholarly research completed by professional historians of physics over the past fifteen years. It is also, I believe, the first since Max Jammer's pioneering study of fifteen years ago to attempt a genuine 'history' as opposed to a mere technical report or popular or semi-popular account. My aims in making this attempt have been to satisfy the needs of historians of science and, more especially, to promote a serious interest in the history of science among phYSicists and physics students. Since the creation of quantum mechanics was inevitably a technical process conducted through the medium of technical language it has been impossible to avoid the introduction of a large amount of such language. Some acquaintance with quantum mechanics, corresponding to that obtained through an undergraduate physics course, has accordingly been assumed. I have tried to ensure, however, that such an acquaintance should be sufficient as well as necessary, and even someone with only the most basic grounding in physics should be able with judicious skip ping, to get through the book. The technical details are essential to the dialogue, but the plot proceeds and can, I hope, be understood on a non technical level.
Modern Physics And Its Philosophy
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Author : M. Strauss
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Modern Physics And Its Philosophy written by M. Strauss and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
In selecting the papers for this volume I have excluded all physics papers proper. I have further omitted all book rev.iews. Instead, I have included two papers not published previously; they are marked by an asterisk (*) in the table of contents. Since many of the papers were occasioned by Symposia or similar gatherings their chronological order is rather accidental. Hence I have tried to group the papers thematically into four parts. Within each part the order of sequence is from the more general to the more special, or from a more popular to a more technical treatment. The same principle has been applied to the sequential order of the parts. The foundational papers on quantum mechanics have been arranged in a somewhat dif ferent manner. Chapters XVI-XIX are concerned with the logic of complementarity while in Chapters XX-XXII a more radical recon ceptualization is carried out. Two of the older papers (Chapters VI and VIII) have been revised to bring them more into line with present terminology. Other papers have been corrected by additions and omissions. Additions are marked by square brackets [ ], while double square brackets [[ II signify omis sions or parts to be omitted. Hence [[A]] [B] means that 'A' should be replaced by 'B'. The heading of one paper (Chapter XX) has been changed to make it more descriptive.
The Collected Papers Of Albert Einstein
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Author : Albert Einstein
language : en
Publisher: Princeton University Press
Release Date : 1987
The Collected Papers Of Albert Einstein written by Albert Einstein and has been published by Princeton University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Jewish physicists categories.
Jordanus De Nemore De Elementis Arithmetice Artis Text And Paraphrase
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Author : Hubertus Lambertus Ludovicus Busard
language : en
Publisher:
Release Date : 1991
Jordanus De Nemore De Elementis Arithmetice Artis Text And Paraphrase written by Hubertus Lambertus Ludovicus Busard and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Arithmetic categories.
Theoretical Prediction Of Properties Of Atomistic Systems
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Author : Alexander Lindmaa
language : en
Publisher: Linköping University Electronic Press
Release Date : 2017-08-15
Theoretical Prediction Of Properties Of Atomistic Systems written by Alexander Lindmaa and has been published by Linköping University Electronic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-15 with categories.
The prediction of ground state properties of atomistic systems is of vital importance in technological advances as well as in the physical sciences. Fundamentally, these predictions are based on a quantum-mechanical description of many-electron systems. One of the hitherto most prominent theories for the treatment of such systems is density functional theory (DFT). The main reason for its success is due to its balance of acceptable accuracy with computational efficiency. By now, DFT is applied routinely to compute the properties of atomic, molecular, and solid state systems. The general approach to solve the DFT equations is to use a density-functional approximation (DFA). In Kohn-Sham (KS) DFT, DFAs are applied to the unknown exchangecorrelation (xc) energy. In orbital-free DFT on the other hand, where the total energy is minimized directly with respect to the electron density, a DFA applied to the noninteracting kinetic energy is also required. Unfortunately, central DFAs in DFT fail to qualitatively capture many important aspects of electronic systems. Two prime examples are the description of localized electrons, and the description of systems where electronic edges are present. In this thesis, I use a model system approach to construct a DFA for the electron localization function (ELF). The very same approach is also taken to study the non-interacting kinetic energy density (KED) in the slowly varying limit of inhomogeneous electron densities, where the effect of electronic edges are effectively included. Apart from the work on model systems, extensions of an exchange energy functional with an improved KS orbital description are presented: a scheme for improving its description of energetics of solids, and a comparison of its description of an essential exact exchange feature known as the derivative discontinuity with numerical data for exact exchange. An emerging alternative route towards the prediction of the properties of atomistic systems is machine learning (ML). I present a number of ML methods for the prediction of solid formation energies, with an accuracy that is on par with KS DFT calculations, and with orders-of-magnitude lower computational cost. Att kunna förutsäga egenskaper hos atomistiska system utgör en viktigdel av vår teknologiska utveckling, samt spelar en betydande roll i defysikaliska vetenskaperna. Sådana förutsägelser bygger på en kvantmekaniskbeskrivning av mångelektronsystem. En av de mest framståendeteorierna för att behandla den här typen av system är täthetsfunktionalteorin(DFT). Den främsta orsaken till dess framgång är attden lyckas kombinera skaplig noggrannhet med en bra beräkningseffektivitet.DFT används numera rutinmässigt för att beräkna storheterhos atomer, molekyler, och fasta kroppar. Generellt sett löses ekvationerna inom DFT genom att man inför entäthetsfunktionalapproximation (DFA). I Kohn-Sham (KS) DFT, användsDFAer för att approximera utbytes-korrelationsenergin. Inom orbitalfriDFT, där målet är att direkt minimera den totala energin med avseendepå elektrontätheten, så approximerar man också den icke-interageranderörelseenergin hos elektronerna. Dessvärre så fallerar många centralaDFAer att kvalitativt beskriva många viktiga aspekter hos elektronsystem.Två viktiga exempel är beskrivningen av lokaliserade elektroner,samt beskrivningen av system där det förekommer elektronytor. I denna avhandling använder jag modellsystem för att konstruera enDFAför elektronlokaliseringsfunktionen (ELF). Samma tillvägagångssättappliceras sedan för att studera den kinetiska energitätheten i gränsen avlångsamt varierande elektrontätheter, där effekten av elektronytor effektivtinkluderas. Förutom arbetet som berör modellsystem, så presenterasen utökad variant av en utbytes-energifunktional med en förbättrad KSorbitalbeskrivning: ett schema för att förbättra dess energiegenskaperför solida material, samt en jämförelse av dess beskrivning av en viktigegenskap hos den exakta utbytesenergin, vilket utgörs av diskontinuiteteri dess derivata. Ett mera nyligen uppkommet samt alternativt sätt att kunna förutsägaegenskaper hos atomistiska system utgörs av maskinlärning (ML).Jag presenterar ett antal ML-modeller för att kunna förutsäga formeringsenergierhos fasta material med en noggrannhet som är i linje medresultat som uppnås av beräkningar med hjälp av KS DFT, och med enberäkningseffektivitet som är flera storleksordningar snabbare.
The Tiger And The Shark
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Author : Bruce R. Wheaton
language : en
Publisher: Cambridge University Press
Release Date : 1991-07-26
The Tiger And The Shark written by Bruce R. Wheaton and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-07-26 with Science categories.
The early twentieth century brought about the rejection by physicists of the doctrine of determinism - the belief that complete knowledge of the initial conditions of an interaction in nature allows precise and unambiguous prediction of the outcome. This book traces the origins of a central problem leading to this change in viewpoint and paradoxes raised by attempts to formulate a consistent theory of the nature of light. It outlines the different approaches adopted by members of different national cultures to the apparent inconsistencies, explains why Einstein's early (1905) attempt at a resolution was not taken seriously for fifteen years, and describes the mixture of ideas that created a route to a new, antideterministic formulation of the laws of nature. Dr Wheaton describes the experimental work on the new forms of radiation found at the turn of the century and shows how the interpretation of energy transfer from X-rays to matter gradually transformed a classical wave explanation of light to one based on particle like quanta of energy, and further, he explains how influential scientists came reluctantly to accept a wavelike interpretation of matter as well. This new and distinctively different account of one of the major theoretical shifts in modern physical thought will be of fundamental interest to physical scientists and philosophers, as well as to historians of science.
The Emergence Of Quantum Mechanics Mainly 1924 1926
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Author : K. Stolzenburg
language : en
Publisher: Elsevier
Release Date : 2013-10-22
The Emergence Of Quantum Mechanics Mainly 1924 1926 written by K. Stolzenburg and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Science categories.
The Emergence of Quantum Mechanics (Mainly 1924-1926)
Mathematical Foundations Of Quantum Theory
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Author : A.R. Marlow
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Mathematical Foundations Of Quantum Theory written by A.R. Marlow and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
Mathematical Foundations of Quantum Theory is a collection of papers presented at the 1977 conference on the Mathematical Foundations of Quantum Theory, held in New Orleans. The contributors present their topics from a wide variety of backgrounds and specialization, but all shared a common interest in answering quantum issues. Organized into 20 chapters, this book's opening chapters establish a sound mathematical basis for quantum theory and a mode of observation in the double slit experiment. This book then describes the Lorentz particle system and other mathematical structures with which fundamental quantum theory must deal, and then some unsolved problems in the quantum logic approach to the foundations of quantum mechanics are considered. Considerable chapters cover topics on manuals and logics for quantum mechanics. This book also examines the problems in quantum logic, and then presents examples of their interpretation and relevance to nonclassical logic and statistics. The accommodation of conventional Fermi-Dirac and Bose-Einstein statistics in quantum mechanics or quantum field theory is illustrated. The final chapters of the book present a system of axioms for nonrelativistic quantum mechanics, with particular emphasis on the role of density operators as states. Specific connections of this theory with other formulations of quantum theory are also considered. These chapters also deal with the determination of the state of an elementary quantum mechanical system by the associated position and momentum distribution. This book is of value to physicists, mathematicians, and researchers who are interested in quantum theory.
Text Kritik 34 Neufassung Wolfgang Koeppen
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Author : Eckhard Schumacher
language : de
Publisher: edition text + kritik
Release Date : 2014-12-03
Text Kritik 34 Neufassung Wolfgang Koeppen written by Eckhard Schumacher and has been published by edition text + kritik this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-12-03 with Literary Criticism categories.
"Wer etwas zu sagen hat, der trete vor und schweige", antwortete Wolfgang Koeppen mit Karl Kraus auf die Schwierigkeit des Schriftstellers, auch als Privatperson der breiteren Öffentlichkeit des Literaturbetriebes bekannt zu werden. Die Literatur selbst hingegen erscheint Koeppen als Schutz- und Freiheitsraum, um in Opposition zu den Normen der bürgerlichen Lebenswelt sein Ich zu retten. In der öffentlichen Wahrnehmung Wolfgang Koeppens sind seit einigen Jahren deutliche Akzentverschiebungen zu beobachten. Wurde er in der Fokussierung auf die Nachkriegsromane zuvor vor allem als politischer Autor und als Wiederentdecker der literarischen Moderne wahrgenommen, rücken nun zunehmend auch andere Aspekte in den Blick. Dazu zählen im Zuge der Erschließung des Nachlasses und der Neuausgabe der Werke neue Einlassungen auf das Früh- und das Spätwerk sowie auf die Reisetexte und die Entdeckung Koeppens als Briefschreiber. Zudem gibt es ein verstärktes Interesse an literaturgeschichtlichen und -soziologischen Perspektivierungen. Die Neuausgabe des Heftes dokumentiert die Neuentwicklungen in der Rezeption, präsentiert zugleich aber auch ein umfassendes Bild des Autors. Das Heft wendet sich auf diese Weise sowohl an Kenner, die neue Tendenzen der Koeppen-Forschung in konzentrierter Form finden werden, als auch an Leser, die durch den TEXT+KRITIK-Band zuallererst einen Zugang zum Autor finden möchten. Ein unveröffentlichter Brief Koeppens wird den Band eröffnen, seinen Abschluss bildet eine Auswahlbibliografie.