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Ever since 1911, the Solvay Conferences have shaped modern physics. The 25th edition held in October 2011 in Brussels and chaired by David Gross continued this tradition and celebrated the first centennial of this illustrious series of conferences. The development and applications of quantum mechanics have always been the main threads in the history of the Solvay Conferences, hence the 25th Solvay conference gathered many of the leading figures working on a wide variety of profound problems in physics where quantum mechanical effects play a central role. The conference addressed some of the mo

Quantum theory

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This book provides a new original perspective on one of the most fascinating and important open questions in science: What is quantum mechanics talking about? Quantum theory is perhaps our best confirmed physical theory. However, in spite of its great empirical effectiveness and the subsequent technological developments that it gave rise to in the 20th century, from the interpretation of the periodic table of elements to CD players, holograms and quantum state teleportation, it stands even today without a universally accepted interpretation. The novelty of the book comes from the multiple view

Quantum theory

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Scientists have been debating the meaning of quantum mechanics for over a century. This book for graduate students and researchers gets to the root of the problem; the contextual nature of empirical truth, the laws of observation and how these impact on our understanding of quantum physics. Bridging the gap between non-relativistic quantum mechanics and quantum field theory, this novel approach to quantum mechanics extends the standard formalism to cover the observer and their apparatus. The author demystifies some of the aspects of quantum mechanics that have traditionally been regarded as extraordinary, such as wave-particle duality and quantum superposition, by emphasizing the scientific principles rather than the mathematical modelling involved. Including key experiments and worked examples throughout to encourage the reader to focus on empirically sound concepts, this book avoids metaphysical speculation and also alerts the reader to the use of computer algebra to explore quantum experiments of virtually limitless complexity.

Quantum theory.

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The ebook introduces undergraduate students to the basic skills required to use non-relativistic quantum mechanics for bound and scattering problems in atomic, molecular and nuclear physics. Initial emphasis is on problems that admit analytic solutions. These results are then used in conjunction with symmetry to develop approximation methods for both bound and scattering problems. The text concentrates on the application of computational problems to introduce the basic concepts of quantum mechanics. These are then used to study more complex problems that can be reduced to one-body problems.

Quantum theory.

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La mécanique quantique a la réputation d'une théorie difficile d'accès et qui plus est « étrange » : « Personne ne comprend la mécanique quantique » écrivait en 1965 le prix Nobel de physique Richard Feynman. Les travaux de John Bell, les expériences menées à la fin du siècle dernier et au début de ce siècle, ainsi que les développements de l'information et de l'ordinateur quantiques, ont permis de mieux cerner le caractère étrange du monde quantique. Nous avons compris que la mécanique quantique pourrait être davantage une théorie de l'information qu'une théorie traitant d'ondes et de particules microscopiques. En évitant de tomber dans le piège d'analogies souvent trompeuses, Philip Ball expose les principes de base de la théorie quantique et en décrit les principales interprétations : Copenhague, multimondes, etc. Il montre ce que la théorie quantique nous révèle du fonctionnement intime de la nature. Nous sommes induits en erreur par notre expérience "idienne et l'étrangeté réside dans notre compréhension, pas dans la nature elle-même. Ce livre, accessible à un large public, séduira le lecteur désireux de comprendre en profondeur la science contemporaine et d'accéder à ses développements les plus récents. « Intense, profond et extrêmement bien documenté, ce livre est celui que l'on doit lire si l'on veut acquérir une vision contemporaine et globale du monde quantique tel que nous le connaissons aujourd'hui », écrit la revue de la Société de physique britannique Physics World, qui lui a décerné son prix du livre de vulgarisation scientifique parmi une quarantaine de titres parus au cours de l'année 2018.

Quantum theory