A. Zeilinger: Quantum (Un)speakables

Cover: 9783540427568 | Quantum (Un)speakables | From Bell to Quantum Information | Buch

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Beschreibung

issues raised by quantum theory, a topic not very popular during his student days at Queen's University, Belfast. Apparently, John Bell, who had been interested in the Bohr-Einstein dialogue, always took the position of Albert Einstein on philosophical issues. He also felt that a completion of quantum mechanics using so-called "hidden variables" would be highly desired, as it would help to regain a realistic and objective picture of the world. That way, Bell hoped one would be able to arrive at a physics where "measurement" would not play such a central role as in the Copenhagen interpretation of quantum mechanics. Then, a most interesting sequence of events set in. In 1952, David Bohm had achieved something which had earlier been proclaimed impossible. It had been proved by John von Neumann that no hidden variable theory could agree with quantum mechanics. Bohm actually formulated such a theory, where each particle at any time has both a well-defined position and a well defined momentum. The conflict raised between von Neumann and Bohm was elegantly resolved by Bell, who showed that von Neumann's proof contained a physically unjustifiable assumption. So while John Bell had flung open the door widely for hidden variable theories, he immediately dealt them a major blow. In 1964, in his celebrated paper "On the Einstein-Podolsky-Rosen Paradox", he showed that any hidden variable theory, which obeys Einstein's requirement of locality, i. e.

Zusammenfassung

Contributions written by world leading experts

On the fundamentals of quantum information

Hot physics for the 21st century

Includes supplementary material: [...]

Inhaltsverzeichnis

John S. Bell - The Man.- Tests of Bell's Inequalities.- Quantum Information.- Quantum Ideas.- Quantum Specials.- Particles and Fields.

Details

Erscheinungsjahr:	2002
Fachbereich:	Theoretische Physik
Genre:	Physik
Rubrik:	Naturwissenschaften & Technik
Medium:	Buch
Inhalt:	xxii 485 S. 142 s/w Illustr. 58 s/w Fotos 84 s/w Zeichng.
ISBN-13:	9783540427568
ISBN-10:	3540427562
Sprache:	Englisch
Ausstattung / Beilage:	HC runder Rücken kaschiert
Einband:	Gebunden
Redaktion:	Zeilinger, A. Bertlmann, R. A.
Herausgeber:	R A Bertlmann/A Zeilinger
Hersteller:	Springer-Verlag GmbH Springer Berlin Heidelberg
Maße:	241 x 160 x 37 mm
Von/Mit:	A. Zeilinger (u. a.)
Erscheinungsdatum:	27.07.2002
Gewicht:	1,022 kg

Artikel-ID: 103843418