Basic Matters
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Basic Matters
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Author : Berthold-Georg Englert
language : en
Publisher: World Scientific
Release Date : 2006
Basic Matters written by Berthold-Georg Englert and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Science categories.
Note: ?The three volumes are not sequential but rather independent of each other and largely self-contained.Basic Matters is a first introduction to quantum mechanics that does not assume any prior knowledge of the subject. The emphasis is on the general structure as the necessary foundation of any understanding. Starting from the simplest quantum phenomenon, the Stern-Gerlach experiment with its choice between two discrete outcomes, and ending with one-dimensional continuous systems, the physical concepts and notions as well as the mathematical formalism of quantum mechanics are developed in successive, manageable steps. The presentation is modern inasmuch as the natural language of the trade -- Dirac's kets and bras and so on -- is introduced early, and the temporal evolution is dealt with in a picture-free manner, with SchrOdinger's and Heisenberg's equations of motion side by side and on equal footing.The reader of Simple Systems is not expected to be familiar with the material in Basic Matters, but should have the minimal knowledge of a standard brief introduction to quantum mechanics with its typical emphasis on one-dimensional position wave functions. The step to Dirac's more abstract and much more powerful formalism is taken immediately, followed by reviews of quantum kinematics and quantum dynamics. The important standard examples (force-free motion, constant force, harmonic oscillator, hydrogen-like atoms) are then treated in considerable detail, whereby a nonstandard perspective is offered wherever it is deemed feasible and useful. A final chapter is devoted to approximation methods, from the Hellmann-Feynman theorem to the WKB quantization rule.Perturbed Evolution has a closer link to Simple Systems than that volume has to Basic Matters, but any reader familiar with the subject matter of a solid introduction to quantum mechanics -- such as Dirac's formalism of kets and bras, SchrOdinger's and Heisenberg's equations of motion, and the standard examples that can be treated exactly, with harmonic oscillators and hydrogen-like atoms among them -- can cope with the somewhat advanced material of this volume. The basics of kinematics and dynamics are reviewed at the outset, including discussions of Bohr's principle of complementarity and Schwinger's quantum action principle. The Born series, the Lippmann-Schwinger equation, and Fermi's golden rule are recurring themes in the treatment of the central subject matter -- the evolution in the presence of perturbing interactions for which there are no exact solutions as one has them for the standard examples in Simple Systems. The scattering by a localized potential is regarded as a perturbed evolution of a particular kind and is dealt with accordingly. The unique features of the scattering of indistinguishable quantum objects illustrate the nonclassical properties of bosons and fermions and prepare the groundwork for a discussion of multi-electron atoms.
Lectures On Quantum Mechanics
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Author : Berthold-Georg Englert
language : en
Publisher: World Scientific Publishing Company
Release Date : 2006-05-18
Lectures On Quantum Mechanics written by Berthold-Georg Englert and has been published by World Scientific Publishing Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-05-18 with Science categories.
Note: ∗The three volumes are not sequential but rather independent of each other and largely self-contained. Basic Matters is a first introduction to quantum mechanics that does not assume any prior knowledge of the subject. The emphasis is on the general structure as the necessary foundation of any understanding. Starting from the simplest quantum phenomenon, the Stern–Gerlach experiment with its choice between two discrete outcomes, and ending with one-dimensional continuous systems, the physical concepts and notions as well as the mathematical formalism of quantum mechanics are developed in successive, manageable steps. The presentation is modern inasmuch as the natural language of the trade — Dirac's kets and bras and so on — is introduced early, and the temporal evolution is dealt with in a picture-free manner, with Schrödinger's and Heisenberg's equations of motion side by side and on equal footing. The reader of Simple Systems is not expected to be familiar with the material in Basic Matters, but should have the minimal knowledge of a standard brief introduction to quantum mechanics with its typical emphasis on one-dimensional position wave functions. The step to Dirac's more abstract and much more powerful formalism is taken immediately, followed by reviews of quantum kinematics and quantum dynamics. The important standard examples (force-free motion, constant force, harmonic oscillator, hydrogen-like atoms) are then treated in considerable detail, whereby a nonstandard perspective is offered wherever it is deemed feasible and useful. A final chapter is devoted to approximation methods, from the Hellmann–Feynman theorem to the WKB quantization rule. Perturbed Evolution has a closer link to Simple Systems than that volume has to Basic Matters, but any reader familiar with the subject matter of a solid introduction to quantum mechanics — such as Dirac's formalism of kets and bras, Schrödinger's and Heisenberg's equations of motion, and the standard examples that can be treated exactly, with harmonic oscillators and hydrogen-like atoms among them — can cope with the somewhat advanced material of this volume. The basics of kinematics and dynamics are reviewed at the outset, including discussions of Bohr's principle of complementarity and Schwinger's quantum action principle. The Born series, the Lippmann-Schwinger equation, and Fermi's golden rule are recurring themes in the treatment of the central subject matter — the evolution in the presence of perturbing interactions for which there are no exact solutions as one has them for the standard examples in Simple Systems. The scattering by a localized potential is regarded as a perturbed evolution of a particular kind and is dealt with accordingly. The unique features of the scattering of indistinguishable quantum objects illustrate the nonclassical properties of bosons and fermions and prepare the groundwork for a discussion of multi-electron atoms. Errata(s) Errata Sample Chapter(s) Chapter 1 of Volume 1: A Brutal Fact of Life (331 KB) Chapter 1 of Volume 2: Quantum Kinematics Reviewed (370 KB) Chapter 1 of Volume 3: Basics of Kinematics and Dynamics (446 KB) Request Inspection Copy
Lectures On Quantum Mechanics Second Edition Volume 1 Basic Matters
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Author : Berthold-georg Englert
language : en
Publisher: World Scientific
Release Date : 2024-01-22
Lectures On Quantum Mechanics Second Edition Volume 1 Basic Matters written by Berthold-georg Englert and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-01-22 with Science categories.
Note: *The three volumes are not sequential but rather independent of each other and largely self-contained.Basic Matters is a first introduction to quantum mechanics that does not assume any prior knowledge of the subject. The emphasis is on the general structure as the necessary foundation of any understanding. Starting from the simplest quantum phenomenon, the Stern-Gerlach experiment with its choice between two discrete outcomes, and ending with one-dimensional continuous systems, the physical concepts and notions as well as the mathematical formalism of quantum mechanics are developed in successive, manageable steps. The presentation is modern inasmuch as the natural language of the trade — Dirac's kets and bras and so on — is introduced early, and the temporal evolution is dealt with in a picture-free manner, with Schrödinger's and Heisenberg's equations of motion side by side and on equal footing.
Lectures On Quantum Mechanics Basic Matters
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Author : Englert Berthold-Georg
language : en
Publisher:
Release Date : 2006
Lectures On Quantum Mechanics Basic Matters written by Englert Berthold-Georg and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Why Orwell Matters
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Author : Christopher Hitchens
language : en
Publisher: Hachette UK
Release Date : 2008-08-06
Why Orwell Matters written by Christopher Hitchens and has been published by Hachette UK this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-08-06 with Literary Criticism categories.
"Hitchens presents a George Orwell fit for the twenty-first century." --Boston Globe In this widely acclaimed biographical essay, the masterful polemicist Christopher Hitchens assesses the life, the achievements, and the myth of the great political writer and participant George Orwell. True to his contrarian style, Hitchens is both admiring and aggressive, sympathetic yet critical, taking true measure of his subject as hero and problem. Answering both the detractors and the false claimants, Hitchens tears down the façade of sainthood erected by the hagiographers and rebuts the critics point by point. He examines Orwell and his perspectives on fascism, empire, feminism, and Englishness, as well as his outlook on America, a country and culture toward which he exhibited much ambivalence. Whether thinking about empires or dictators, race or class, nationalism or popular culture, Orwell's moral outlook remains indispensable in a world that has undergone vast changes in the seven decades since his death. Combining the best of Hitchens' polemical punch and intellectual elegance in a tightly woven and subtle argument, this book addresses not only why Orwell matters today, but how he will continue to matter in a future, uncertain world.
Lectures On Quantum Mechanics
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Author : Berthold-Georg Englert (physicien).)
language : en
Publisher:
Release Date : 2006
Lectures On Quantum Mechanics written by Berthold-Georg Englert (physicien).) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Basic Issues In Secondary Education
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Author : University of the State of New York. Committee to consider the postwar problems in secondary education
language : en
Publisher:
Release Date : 1945
Basic Issues In Secondary Education written by University of the State of New York. Committee to consider the postwar problems in secondary education and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1945 with Education categories.
From The Bottom Up
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Author : Kent Greenawalt
language : en
Publisher: Oxford University Press
Release Date : 2016-05-02
From The Bottom Up written by Kent Greenawalt and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-02 with Law categories.
Kent Greenawalt's From the Bottom Up constitutes a collection of articles and essays written over the last five decades of his career. They cover a wide range of topics, many of which address ties between political and moral philosophy and what the law does and should provide. A broad general theme is that in all these domains, what really is the wisest approach to difficult circumstances often depends on the particular issues involved and their context. Both judges and scholars too often rely on abstract general formulations to provide answers. A notable example in political philosophy was the suggestion of the great and careful scholar, John Rawls, that laws should be based exclusively on public reason. The essays explain that given uncertainty of what people perceive as the line between public reason and their religion convictions, the inability of public reason to resolve some difficulty questions, such as what we owe to higher animals, and the feeling of many that their religious understanding should count, urging exclusive reliance on public reason is not a viable approach. Other essays show similar problems with asserted bases for legal interpretations and the content of provisions such as the First Amendment.
The Generation Myth
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Author : Bobby Duffy
language : en
Publisher: Hachette UK
Release Date : 2021-11-09
The Generation Myth written by Bobby Duffy and has been published by Hachette UK this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-09 with Social Science categories.
Millennials, Baby Boomers, Gen Z—we like to define people by when they were born, but an acclaimed social researcher explains why we shouldn't. Boomers are narcissists. Millennials are spoiled. Gen Zers are lazy. We assume people born around the same time have basically the same values. It makes for good headlines, but is it true? Bobby Duffy has spent years studying generational distinctions. In The Generation Myth, he argues that our generational identities are not fixed but fluid, reforming throughout our lives. Based on an analysis of what over three million people really think about homeownership, sex, well-being, and more, Duffy offers a new model for understanding how generations form, how they shape societies, and why generational differences aren’t as sharp as we think. The Generation Myth is a vital rejoinder to alarmist worries about generational warfare and social decline. The kids are all right, it turns out. Their parents are too.
Lectures On Quantum Mechanics Volume 2 Simple Systems
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Author : Berthold-georg Englert
language : en
Publisher: World Scientific Publishing Company
Release Date : 2006-05-18
Lectures On Quantum Mechanics Volume 2 Simple Systems written by Berthold-georg Englert and has been published by World Scientific Publishing Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-05-18 with Science categories.
Note: The three volumes are not sequential but rather independent of each other and largely self-contained.The reader of Simple Systems is not expected to be familiar with the material in Basic Matters, but should have the minimal knowledge of a standard brief introduction to quantum mechanics with its typical emphasis on one-dimensional position wave functions. The step to Dirac's more abstract and much more powerful formalism is taken immediately, followed by reviews of quantum kinematics and quantum dynamics. The important standard examples (force-free motion, constant force, harmonic oscillator, hydrogen-like atoms) are then treated in considerable detail, whereby a nonstandard perspective is offered wherever it is deemed feasible and useful. A final chapter is devoted to approximation methods, from the Hellmann-Feynman theorem to the WKB quantization rule.