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The lesson of quantum theory : Niels Bohr Centenary Symposium, October 3-7, 1985

Jorrit de Boer, Erik Dal, Ole Ulfbeck, Kongelige Danske videnskabernes selskab

Published Jan 1, 1986• 4 citations
OpenAlex

Abstract

Part I. Niels Bohr. Communications delivered to the Royal Danish Academy of sciences and letters, October 3, 1985 (edited by E. Dal). Niels Bohr and The Royal Danish Academy of Sciences and Letters (B. Strmgren). Epistemological considerations (H.B.G. Casimir). Part II. The Lesson of Quantum Theory. Proceedings of the Niels Bohr centenary symposium, October 4-7, 1985 (edited by J. de Boer and O. Ulfbeck). The Lesson of Quantum Theory. Measurement in quantum theory and the problem of complex systems (P.W. Anderson). Quantum mechanics at the macroscopic level (A.J. Leggett). Strange quantum numbers in condensed matter and field theory (J.R. Schrieffer). The study of the nucleus as a theme in contemporary physics (B.R. Mottelson). ``Complementarity'' between energy and temperature (J. Lindhard). Radiation by uniformly moving sources (V.L. Ginzburg). Does elementary particle physics have a future? (S.L. Glashow). Observability of quarks (J.D. Bojrken). The transformation of elementary particle physics into many-body physics (L. Van Hove). Physics in terms of difference equations (T.D. Lee). Some lessons of renormalization theory (A.S. Wightman). Particles, fields and now strings (S. Weinberg). Collective and planetary motion in atoms (R.S. Berry). Unity of Knowledge. The origin and evolution of large-scale structure in the universe (W.L.W. Sargent). Molecular replication and the origins of life (L.E. Orgel). Physics, biological computation and complementarity (J.J. Hopfield). Complementarity in linguistic observation, description and explanation (W.U. Dressler). Niels Bohr. Great connections come alive: Bohr, Ehrenfest and Einstein (M.J. Klein). Niels Bohr and nuclear weapons (M. Gowing). Niels Bohr: The man and his legacy (J.A. Wheeler). Mellem Spog og Alvor: Personal recollections about Niels Bohr (H.B.G. Casimir). Part III. Jest and Earnest. AAddresses presented at the evening gathering in Ny Carlsberg Glyptoteket, October 7, 1985. (edited by J. de Boer and O. Ulfbeck). Parentesen (A. Aaboe). Truth and clarity (R. Peierls). Niels Bohr, the quantum and the world (V.F. Weisskopf).

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Niels Bohr, physics and the world : proceedings of the Niels Bohr Centennial Symposium, Boston, Massachusetts, USA., November 12-14, 1985, American Academy of Arts and Sciences, Cambridge, Massachusetts

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Overview, Victor Weisskopf Niels Bohr and the development of physics, A.Pais on the origins of the Copenhagen interpretation, Arthur I.Miller Niels Bohr and atomic physics today, Daniel Kleppner condensed matter physics - does quantum mechanics matter?, Michael E.Fisher nuclear physics - comments and reflections, Herman Feshbach the new ether, J.D.Bjorken recent developments in cosmology, George Field black holes and the foundations of quantum mechanics, Gerard't Hooft do black holes emit black body radiation?, T.D.Lee quarternionic quantum field theory, Stephen L.Adler light and life - Niels Bohr's legacy to contemporary biology, Gunther S.Stent Bertlmann's socks and the nature of reality, J.S.Bell fifty years later - when gedanken experiments become real experiments, Alain Aspect Philippe Grangier physical and philosophical issues in the Bohr-Einstein debate, Abner Shimony the Soviet reaction to Bohr's quantum mechanics, Loren R.Graham Niels Bohr and the first principles of arms control, Martin J.Sherwin American attitudes on security - comments, John Steinbruner science, technology and the arms race - European perspectives, Edoardo Amaldi.

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List of participants Preface Part I. Introduction: 1. The function of the colloquium - editorial 2. The conceptual problem of quantum theory from the experimentalist's point of view O. R. Frisch Part II. Niels Bohr and Complementarity: The Place of the Classical Language: 3. The Copenhagen interpretation C. F. von Weizsacker 4. On Bohr's views concerning the quantum theory D. Bohm Part III. The Measurement Problem: 5. Quantal observation in statistical interpretation H. J. Groenewold 6. Macroscopic physics, quantum mechanics and quantum theory of measurement G. M. Prosperi 7. Comment on the Daneri-Loinger-Prosperi quantum theory of measurement Jeffrey Bub 8. The phenomenology of observation and explanation in quantum theory J. H. M. Whiteman 9. Measurement theory and complex systems M. A. Garstens Part IV. New Directions within Quantum Theory: What does the Quantum Theoretical Formalism Really Tell Us?: 10. On the role of hidden variables in the fundamental structure of physics D. Bohm 11. Beyond what? Discussion: space-time order within existing quantum theory C. W. Kilmister 12. Definability and measurability in quantum theory Yakir Aharonov and Aage Petersen 13. The bootstrap idea and the foundations of quantum theory Geoffrey F. Chew Part V. A Fresh Start?: 14. Angular momentum: an approach to combinatorial space-time Roger Penrose 15. A note on discreteness, phase space and cohomology theory B. J. Hiley 16. Cohomology of observations R. H. Atkin 17. The origin of half-integral spin in a discrete physical space Ted Bastin Part VI. Philosophical Papers: 18. The unity of physics C. F. von Weizsacker 19. A philosophical obstacle to the rise of new theories in microphysics Mario Bunge 20. The incompleteness of quantum mechanics or the emperor's missing clothes H. R. Post 21. How does a particle get from A to B? Ted Bastin 22. Informational generalization of entropy in physics Jerome Rothstein 23. Can life explain quantum mechanics? H. H. Pattee 24. Discussion: phenomena and sense data in quantum theory D. S. Linney and C. F. von Weizsacker Index of persons Index of subjects.

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Once I tried to teach some quantum mechanics to a class of law students, philosophers, and art historians. As an advertisement for the course I put together the most sensational quotations I could collect from the most authoritative practitioners of the subject. Heisenberg was a goldmine: “The concept of the objective reality of the elementary particles has thus evaporated…”; “the idea of an objective real world whose smallest parts exist objectively in the same sense as stones or trees exist, independently of whether or not we observe them … is impossible …” Feynman did his part too: “I think I can safely say that nobody understands quantum mechanics.” But I failed to turn up anything comparable in the writings of Bohr. Others attributed spectacular remarks to him, but he seemed to take pains to avoid any hint of the dramatic in his own writings. You don't pack them into your classroom with “The indivisibility of quantum phenomena finds its consequent expression in the circumstance that every definable subdivision would require a change of the experimental arrangement with the appearance of new individual phenomena,” or “the wider frame of complementarity directly expresses our position as regards the account of fundamental properties of matter presupposed in classical physical description but outside its scope.” I was therefore on the lookout for nuggets when I sat down to review these three volumes – a reissue of Bohr's collected essays on the revolutionary epistemological character of the quantum theory and on the implications of that revolution for other scientific and non-scientific areas of endeavor (the originals first appeared in 1934, 1958, and 1963.)

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I: Hoffding as Mentor.- I.- 1. Harald Hoffding, His Life and Thought.- 2. Hoffding and Bohr Senior.- II.- 1. The Ekliptika Circle.- 2. Bohr and William James.- 3. Bohr and Kierkegaard.- 4. The Student Bohr on Formal Logic.- III.- 1. The Friendship.- 2. The Years Around 1927.- 3. Hoffding on Complementarity.- IV.- 1. Hoffding's Theory of Knowledge.- 2. Totality as a Category.- 3. Hoffding's Philosophy of Mind and Psychology of Free Will.- 4. Hoffding on Biology.- 5. Analogy and Scientific Progress.- II: Bohr and the Atomic Description of Nature.- V.- 1. The Principle of Correspondence.- 2. The Search for an Interpretation.- VI.- 1. Complementarity.- 2. Quantum Mechanics and Psychology.- 3. Bohr on Biology.- VII.- 1. The Objectivity of Knowledge.- 2. The EPR Discussion.- 3. The Conditions for Description.- VIII.- 1. Bohr and Realism.- 2. Hoffding on Reality.- 3. Objective Anti-Realism.- Epilogue: The Legacy.- Notes.

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Foundations of quantum physics

Niels Henrik David Bohr, Jørgen Kalckar

General Editor's preface. Part I: Relativistic Quantum Theory. Part II: Complementarity: Bedrock of the Quantal Description. Part III: Selected Correspondence. Inventory of relevant manuscripts in the Niels Bohr archive. Index.

North-Holland eBooks•Jan 1, 1985•2 citations
Part I. Niels Bohr. Communications delivered to the Royal Danish Academy of sciences and letters, October 3, 1985 (edited by E. Dal). Niels Bohr and The Royal Danish Academy of Sciences and Letters (B. Strmgren). Epistemological considerations (H.B.G. Casimir). Part II. The Lesson of Quantum Theory. Proceedings of the Niels Bohr centenary symposium, October 4-7, 1985 (edited by J. de Boer and O. Ulfbeck). The Lesson of Quantum Theory. Measurement in quantum theory and the problem of complex systems (P.W. Anderson). Quantum mechanics at the macroscopic level (A.J. Leggett). Strange quantum numbers in condensed matter and field theory (J.R. Schrieffer). The study of the nucleus as a theme in contemporary physics (B.R. Mottelson). ``Complementarity'' between energy and temperature (J. Lindhard). Radiation by uniformly moving sources (V.L. Ginzburg). Does elementary particle physics have a future? (S.L. Glashow). Observability of quarks (J.D. Bojrken). The transformation of elementary particle physics into many-body physics (L. Van Hove). Physics in terms of difference equations (T.D. Lee). Some lessons of renormalization theory (A.S. Wightman). Particles, fields and now strings (S. Weinberg). Collective and planetary motion in atoms (R.S. Berry). Unity of Knowledge. The origin and evolution of large-scale structure in the universe (W.L.W. Sargent). Molecular replication and the origins of life (L.E. Orgel). Physics, biological computation and complementarity (J.J. Hopfield). Complementarity in linguistic observation, description and explanation (W.U. Dressler). Niels Bohr. Great connections come alive: Bohr, Ehrenfest and Einstein (M.J. Klein). Niels Bohr and nuclear weapons (M. Gowing). Niels Bohr: The man and his legacy (J.A. Wheeler). Mellem Spog og Alvor: Personal recollections about Niels Bohr (H.B.G. Casimir). Part III. Jest and Earnest. AAddresses presented at the evening gathering in Ny Carlsberg Glyptoteket, October 7, 1985. (edited by J. de Boer and O. Ulfbeck). Parentesen (A. Aaboe). Truth and clarity (R. Peierls). Niels Bohr, the quantum and the world (V.F. Weisskopf).
Overview, Victor Weisskopf Niels Bohr and the development of physics, A.Pais on the origins of the Copenhagen interpretation, Arthur I.Miller Niels Bohr and atomic physics today, Daniel Kleppner condensed matter physics - does quantum mechanics matter?, Michael E.Fisher nuclear physics - comments and reflections, Herman Feshbach the new ether, J.D.Bjorken recent developments in cosmology, George Field black holes and the foundations of quantum mechanics, Gerard't Hooft do black holes emit black body radiation?, T.D.Lee quarternionic quantum field theory, Stephen L.Adler light and life - Niels Bohr's legacy to contemporary biology, Gunther S.Stent Bertlmann's socks and the nature of reality, J.S.Bell fifty years later - when gedanken experiments become real experiments, Alain Aspect Philippe Grangier physical and philosophical issues in the Bohr-Einstein debate, Abner Shimony the Soviet reaction to Bohr's quantum mechanics, Loren R.Graham Niels Bohr and the first principles of arms control, Martin J.Sherwin American attitudes on security - comments, John Steinbruner science, technology and the arms race - European perspectives, Edoardo Amaldi.
List of participants Preface Part I. Introduction: 1. The function of the colloquium - editorial 2. The conceptual problem of quantum theory from the experimentalist's point of view O. R. Frisch Part II. Niels Bohr and Complementarity: The Place of the Classical Language: 3. The Copenhagen interpretation C. F. von Weizsacker 4. On Bohr's views concerning the quantum theory D. Bohm Part III. The Measurement Problem: 5. Quantal observation in statistical interpretation H. J. Groenewold 6. Macroscopic physics, quantum mechanics and quantum theory of measurement G. M. Prosperi 7. Comment on the Daneri-Loinger-Prosperi quantum theory of measurement Jeffrey Bub 8. The phenomenology of observation and explanation in quantum theory J. H. M. Whiteman 9. Measurement theory and complex systems M. A. Garstens Part IV. New Directions within Quantum Theory: What does the Quantum Theoretical Formalism Really Tell Us?: 10. On the role of hidden variables in the fundamental structure of physics D. Bohm 11. Beyond what? Discussion: space-time order within existing quantum theory C. W. Kilmister 12. Definability and measurability in quantum theory Yakir Aharonov and Aage Petersen 13. The bootstrap idea and the foundations of quantum theory Geoffrey F. Chew Part V. A Fresh Start?: 14. Angular momentum: an approach to combinatorial space-time Roger Penrose 15. A note on discreteness, phase space and cohomology theory B. J. Hiley 16. Cohomology of observations R. H. Atkin 17. The origin of half-integral spin in a discrete physical space Ted Bastin Part VI. Philosophical Papers: 18. The unity of physics C. F. von Weizsacker 19. A philosophical obstacle to the rise of new theories in microphysics Mario Bunge 20. The incompleteness of quantum mechanics or the emperor's missing clothes H. R. Post 21. How does a particle get from A to B? Ted Bastin 22. Informational generalization of entropy in physics Jerome Rothstein 23. Can life explain quantum mechanics? H. H. Pattee 24. Discussion: phenomena and sense data in quantum theory D. S. Linney and C. F. von Weizsacker Index of persons Index of subjects.
Once I tried to teach some quantum mechanics to a class of law students, philosophers, and art historians. As an advertisement for the course I put together the most sensational quotations I could collect from the most authoritative practitioners of the subject. Heisenberg was a goldmine: “The concept of the objective reality of the elementary particles has thus evaporated…”; “the idea of an objective real world whose smallest parts exist objectively in the same sense as stones or trees exist, independently of whether or not we observe them … is impossible …” Feynman did his part too: “I think I can safely say that nobody understands quantum mechanics.” But I failed to turn up anything comparable in the writings of Bohr. Others attributed spectacular remarks to him, but he seemed to take pains to avoid any hint of the dramatic in his own writings. You don't pack them into your classroom with “The indivisibility of quantum phenomena finds its consequent expression in the circumstance that every definable subdivision would require a change of the experimental arrangement with the appearance of new individual phenomena,” or “the wider frame of complementarity directly expresses our position as regards the account of fundamental properties of matter presupposed in classical physical description but outside its scope.” I was therefore on the lookout for nuggets when I sat down to review these three volumes – a reissue of Bohr's collected essays on the revolutionary epistemological character of the quantum theory and on the implications of that revolution for other scientific and non-scientific areas of endeavor (the originals first appeared in 1934, 1958, and 1963.)
I: Hoffding as Mentor.- I.- 1. Harald Hoffding, His Life and Thought.- 2. Hoffding and Bohr Senior.- II.- 1. The Ekliptika Circle.- 2. Bohr and William James.- 3. Bohr and Kierkegaard.- 4. The Student Bohr on Formal Logic.- III.- 1. The Friendship.- 2. The Years Around 1927.- 3. Hoffding on Complementarity.- IV.- 1. Hoffding's Theory of Knowledge.- 2. Totality as a Category.- 3. Hoffding's Philosophy of Mind and Psychology of Free Will.- 4. Hoffding on Biology.- 5. Analogy and Scientific Progress.- II: Bohr and the Atomic Description of Nature.- V.- 1. The Principle of Correspondence.- 2. The Search for an Interpretation.- VI.- 1. Complementarity.- 2. Quantum Mechanics and Psychology.- 3. Bohr on Biology.- VII.- 1. The Objectivity of Knowledge.- 2. The EPR Discussion.- 3. The Conditions for Description.- VIII.- 1. Bohr and Realism.- 2. Hoffding on Reality.- 3. Objective Anti-Realism.- Epilogue: The Legacy.- Notes.