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يان س. بيرسيفال (بالإنجليزية: Ian C. Percival) هو فيزيائي بريطاني، ولد في 1931. (ar) Ian Colin Percival (* 1931) ist ein britischer theoretischer Physiker. Er war Professor für Angewandte Mathematik am Queen Mary und Westfield College der Universität London. Er war in den frühen 1970er Jahren ein Pionier des Quantenchaos, indem er vorschlug, dass sich die Spektren quantenmechanischer Systeme die klassischem Chaos entsprechen von denen klassisch regulärer Systeme unterscheiden 1987 wandte er mit Franco Vivaldi die algebraische Zahlentheorie quadratischer Zahlkörper auf das Abzählen periodischer Orbits in diskreten chaotischen dynamischen Systemen (die Katzenabbildung von Wladimir Arnold) an. Später befasste er sich mit den Grundlagen der Quantenmechanik und dem Meßprozeß. Mit Walter Strunz schlug er vor, dass Eigenschaften des Quantenschaums auf der Planck-Skala sich (ähnlich wie die Bewegung von Partikeln auf Grund Brownscher Bewegung) in der Wellenfunktion von Atomstrahl-Interferenzen niederschlagen. 1985 erhielt er den Naylor-Preis und 1999 die Dirac-Medaille (IOP). Er ist Fellow der Royal Society. (de) Ian Colin Percival (born 1931) is a British theoretical physicist. He is the Emeritus Professor of the School of Physics and Astronomy at Queen Mary and Westfield College, University of London.He is one among the pioneers of quantum chaos and he is well known for his suggestion in the 1970s about the existence of a different type of spectra of quantum-mechanical systems due to classical chaos. Numerical explorations performed by other researchers clearly confirmed this idea later. In 1987, he came up with Franco Vivaldi algebraic number theory of quadratic number fields on the counting of periodic orbits in discrete chaotic dynamical systems ( the cats figure of Vladimir Arnold). Later on, he worked on the basics of quantum mechanics and the measurement process.Together with Walter Strunz he suggested the properties of the quantum foam at the Planck scale, (similar to the movement of particles due to Brownian motion) in the wave function of an atom-beam interference. (en) Ian Colin Percival (né en 1931) est un physicien théorique britannique. Il est professeur émérite de l'École de physique et d'astronomie du Queen Mary et Westfield College de l'Université de Londres. (fr) Ian Colin Percival (1931) é um físico britânico. Foi professor de matemática aplicada do Queen Mary and Westfield College da Universidade de Londres. Recebeu em 1985 o Prêmio Naylor e em 1999 a Medalha Dirac (IOP). (pt) |
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يان س. بيرسيفال (بالإنجليزية: Ian C. Percival) هو فيزيائي بريطاني، ولد في 1931. (ar) Ian Colin Percival (né en 1931) est un physicien théorique britannique. Il est professeur émérite de l'École de physique et d'astronomie du Queen Mary et Westfield College de l'Université de Londres. (fr) Ian Colin Percival (1931) é um físico britânico. Foi professor de matemática aplicada do Queen Mary and Westfield College da Universidade de Londres. Recebeu em 1985 o Prêmio Naylor e em 1999 a Medalha Dirac (IOP). (pt) Ian Colin Percival (* 1931) ist ein britischer theoretischer Physiker. Er war Professor für Angewandte Mathematik am Queen Mary und Westfield College der Universität London. Er war in den frühen 1970er Jahren ein Pionier des Quantenchaos, indem er vorschlug, dass sich die Spektren quantenmechanischer Systeme die klassischem Chaos entsprechen von denen klassisch regulärer Systeme unterscheiden 1987 wandte er mit Franco Vivaldi die algebraische Zahlentheorie quadratischer Zahlkörper auf das Abzählen periodischer Orbits in diskreten chaotischen dynamischen Systemen (die Katzenabbildung von Wladimir Arnold) an. Später befasste er sich mit den Grundlagen der Quantenmechanik und dem Meßprozeß. Mit Walter Strunz schlug er vor, dass Eigenschaften des Quantenschaums auf der Planck-Skala sich (ähnli (de) Ian Colin Percival (born 1931) is a British theoretical physicist. He is the Emeritus Professor of the School of Physics and Astronomy at Queen Mary and Westfield College, University of London.He is one among the pioneers of quantum chaos and he is well known for his suggestion in the 1970s about the existence of a different type of spectra of quantum-mechanical systems due to classical chaos. Numerical explorations performed by other researchers clearly confirmed this idea later. In 1987, he came up with Franco Vivaldi algebraic number theory of quadratic number fields on the counting of periodic orbits in discrete chaotic dynamical systems ( the cats figure of Vladimir Arnold). Later on, he worked on the basics of quantum mechanics and the measurement process.Together with Walter Strunz (en) |
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يان س. بيرسيفال (ar) Ian C. Percival (de) Ian C. Percival (fr) Ian C. Percival (en) Ian Colin Percival (pt) |
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