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This article is about the Austrian-Swiss physicist. For the German physicist, see Wolfgang Paul.
Wolfgang Pauli
Wolfgang Pauli ETH-Bib Portr 01042.jpg
Born Wolfgang Ernst Pauli
(1900-04-25)25 April 1900
Vienna, Austria-Hungary
Died 15 December 1958(1958-12-15) (aged 58)
Zurich, Switzerland
Citizenship Switzerland
Nationality Austria
Fields Physics
Institutions University of Göttingen
University of Copenhagen
University of Hamburg
ETH Zurich
Institute for Advanced Study
Alma mater Ludwig-Maximilians University
Doctoral advisor Arnold Sommerfeld
Other academic advisors Max Born
Doctoral students Nicholas Kemmer
Felix Villars
Other notable students Markus Fierz
Sigurd Zienau
Hans Frauenfelder
Known for Pauli exclusion principle
Pauli–Villars regularization
Pauli matrices
Pauli effect
Pauli equation
Pauli group
Pauli repulsion
Pauli–Lubanski pseudovector
Coining 'not even wrong'
Influences Ernst Mach
Carl Jung
Influenced Ralph Kronig
Notable awards Lorentz Medal (1931)
Nobel Prize in Physics (1945)
Matteucci Medal (1956)
Max Planck Medal (1958)
Notes
His godfather was Ernst Mach. He is not to be confused with Wolfgang Paul, whom Pauli called his "imaginary part",[1] a pun with the imaginary unit i.

Wolfgang Ernst Pauli (25 April 1900 – 15 December 1958) was an Austrian-born Swiss theoretical physicist and one of the pioneers of quantum physics.

In 1945, after having been nominated by Albert Einstein, Pauli received the Nobel Prize in Physics for his "decisive contribution through his discovery of a new law of Nature, the exclusion principle or Pauli principle." The discovery involved spin theory, which is the basis of a theory of the structure of matter.

Biography[edit]

Early years[edit]

Pauli was born in Vienna to a chemist Wolfgang Joseph Pauli ( Wolf Pascheles, 1869–1955) and his wife Bertha Camilla Schütz. His middle name was given in honor of his godfather, physicist Ernst Mach. Pauli's paternal grandparents were from prominent Jewish families of Prague; his great-grandfather was the Jewish publisher Wolf Pascheles.[2] Pauli's father converted from Judaism to Roman Catholicism shortly before his marriage in 1899. Pauli's mother, Bertha Schütz, was raised in her own mother's Roman Catholic religion; her father was Jewish writer Friedrich Schütz. Pauli was raised as a Roman Catholic, although eventually he and his parents left the Church.[3] He is considered to have been a deist and a mystic.[4][5]

Pauli attended the Döblinger-Gymnasium in Vienna, graduating with distinction in 1918. Only two months after graduation, the young prodigy published his first paper, on Albert Einstein's theory of general relativity. He attended the Ludwig-Maximilians University in Munich, working under Arnold Sommerfeld, where he received his PhD in July 1921 for his thesis on the quantum theory of ionized molecular hydrogen.

Sommerfeld asked Pauli to review the theory of relativity for the Encyklopädie der mathematischen Wissenschaften (Encyclopedia of Mathematical Sciences). Two months after receiving his doctorate, Pauli completed the article, which came to 237 pages. It was praised by Einstein; published as a monograph, it remains a standard reference on the subject to this day.

Wolfgang Pauli young.jpg

Pauli spent a year at the University of Göttingen as the assistant to Max Born, and the following year at the Institute for Theoretical Physics in Copenhagen, which later became the Niels Bohr Institute in 1965. From 1923 to 1928, he was a lecturer at the University of Hamburg. During this period, Pauli was instrumental in the development of the modern theory of quantum mechanics. In particular, he formulated the exclusion principle and the theory of nonrelativistic spin.

In 1928, he was appointed Professor of Theoretical Physics at ETH Zurich in Switzerland where he made significant scientific progress. He held visiting professorships at the University of Michigan in 1931, and the Institute for Advanced Study in Princeton in 1935. He was awarded the Lorentz Medal in 1931.

At the end of 1930, shortly after his postulation of the neutrino and immediately following his divorce in November, Pauli had a severe breakdown. He consulted psychiatrist and psychotherapist Carl Jung who, like Pauli, lived near Zurich. Jung immediately began interpreting Pauli's deeply archetypal dreams,[6] and Pauli became one of the depth psychologist’s best students. He soon began to criticize the epistemology of Jung’s theory scientifically, and this contributed to a certain clarification of the latter’s thoughts, especially about the concept of synchronicity. A great many of these discussions are documented in the Pauli/Jung letters, today published as Atom and Archetype. Jung's elaborate analysis of more than 400 of Pauli's dreams is documented in Psychology and Alchemy.

The German annexation of Austria in 1938 made him a German citizen, which became a problem for him in 1939 after the outbreak of World War II. In 1940, he tried in vain to obtain Swiss citizenship, which would have allowed him to remain at the ETH.[7]

Pauli moved to the United States in 1940, where he was employed as a professor of theoretical physics at the Institute for Advanced Study. In 1946, after the war, he became a naturalized citizen of the United States and subsequently returned to Zurich, where he mostly remained for the rest of his life. In 1949, he was granted Swiss citizenship.

In 1958, Pauli was awarded the Max Planck medal. In that same year, he fell ill with pancreatic cancer. When his last assistant, Charles Enz, visited him at the Rotkreuz hospital in Zurich, Pauli asked him: “Did you see the room number?” It was number 137. Throughout his life, Pauli had been preoccupied with the question of why the fine structure constant, a dimensionless fundamental constant, has a value nearly equal to 1/137. Pauli died in that room on 15 December 1958.

Scientific research[edit]

Niels Bohr, Werner Heisenberg, and Wolfgang Pauli, ca. 1935

Pauli made many important contributions in his career as a physicist, primarily in the field of quantum mechanics. He seldom published papers, preferring lengthy correspondences with colleagues such as Niels Bohr and Werner Heisenberg, with whom he had close friendships. Many of his ideas and results were never published and appeared only in his letters, which were often copied and circulated by their recipients.

Pauli proposed in 1924 a new quantum degree of freedom (or quantum number) with two possible values, in order to resolve inconsistencies between observed molecular spectra and the developing theory of quantum mechanics. He formulated the Pauli exclusion principle, perhaps his most important work, which stated that no two electrons could exist in the same quantum state, identified by four quantum numbers including his new two-valued degree of freedom. The idea of spin originated with Ralph Kronig. George Uhlenbeck and Samuel Goudsmit one year later identified Pauli's new degree of freedom as electron spin.

In 1926, shortly after Heisenberg published the matrix theory of modern quantum mechanics, Pauli used it to derive the observed spectrum of the hydrogen atom. This result was important in securing credibility for Heisenberg's theory.

Pauli introduced the 2 × 2 Pauli matrices as a basis of spin operators, thus solving the nonrelativistic theory of spin. This work is sometimes said to have influenced Paul Dirac in his creation of the Dirac equation for the relativistic electron, though Dirac stated that he invented these same matrices himself independently at the time, without Pauli's influence. Dirac invented similar but larger (4x4) spin matrices for use in his relativistic treatment of fermionic spin.

In 1930, Pauli considered the problem of beta decay. In a letter of 4 December to Lise Meitner et al., beginning, "Dear radioactive ladies and gentlemen", he proposed the existence of a hitherto unobserved neutral particle with a small mass, no greater than 1% the mass of a proton, in order to explain the continuous spectrum of beta decay. In 1934, Enrico Fermi incorporated the particle, which he called a neutrino, into his theory of beta decay. The neutrino was first confirmed experimentally in 1956 by Frederick Reines and Clyde Cowan, two and a half years before Pauli's death. On receiving the news, he replied by telegram: "Thanks for message. Everything comes to him who knows how to wait. Pauli."[8]

In 1940, he proved the spin-statistics theorem, a critical result of quantum field theory which states that particles with half-integer spin are fermions, while particles with integer spin are bosons.

In 1949, he published a paper on Pauli–Villars regularization: regularization is the term for techniques which modify infinite mathematical integrals to make them finite during calculations, so that one can identify whether the intrinsically infinite quantities in the theory (mass, charge, wavefunction) form a finite and hence calculable set which can be redefined in terms of their experimental values, which criterion is termed renormalization, and which removes infinities from quantum field theories, but also importantly allows the calculation of higher order corrections in perturbation theory.

Pauli made repeated criticisms of the modern synthesis of evolutionary biology,[9][10] and his contemporary admirers point to modes of epigenetic inheritance as supportive of his arguments.[11]

Personality and reputation[edit]

Wolfgang Pauli

The Pauli effect was named after the anecdotal bizarre ability of his to break experimental equipment simply by being in the vicinity. Pauli was aware of his reputation and was delighted whenever the Pauli effect manifested. These strange occurrences were in line with his investigations into the legitimacy of parapsychology, particularly his collaboration with C. G. Jung on the concept of synchronicity.

Regarding physics, Pauli was famously a perfectionist. This extended not just to his own work, but also to the work of his colleagues. As a result, he became known in the physics community as the "conscience of physics," the critic to whom his colleagues were accountable. He could be scathing in his dismissal of any theory he found lacking, often labelling it ganz falsch, utterly wrong.

However, this was not his most severe criticism, which he reserved for theories or theses so unclearly presented as to be untestable or unevaluatable and, thus, not properly belonging within the realm of science, even though posing as such. They were worse than wrong because they could not be proven wrong. Famously, he once said of such an unclear paper: It is not even wrong!"[12]

His supposed remark when meeting another leading physicist, Paul Ehrenfest, illustrates this notion of an arrogant Pauli. The two met at a conference for the first time. Ehrenfest was familiar with Pauli's papers and was quite impressed with them. After a few minutes of conversation, Ehrenfest remarked, "I think I like your Encyclopedia article [on relativity theory] better than I like you," to which Pauli shot back, "That's strange. With me, regarding you, it is just the opposite."[13] The two became very good friends from then on.

A somewhat warmer picture emerges from this story which appears in the article on Dirac:

"Werner Heisenberg [in Physics and Beyond, 1971] recollects a friendly conversation among young participants at the 1927 Solvay Conference, about Einstein and Planck's views on religion. Wolfgang Pauli, Heisenberg, and Dirac took part in it. Dirac's contribution was a poignant and clear criticism of the political manipulation of religion, that was much appreciated for its lucidity by Bohr, when Heisenberg reported it to him later. Among other things, Dirac said: "I cannot understand why we idle discussing religion. If we are honest – and as scientists honesty is our precise duty – we cannot help but admit that any religion is a pack of false statements, deprived of any real foundation. The very idea of God is a product of human imagination. [...] I do not recognize any religious myth, at least because they contradict one another. [...]" Heisenberg's view was tolerant. Pauli had kept silent, after some initial remarks. But when finally he was asked for his opinion, jokingly he said: "Well, I'd say that also our friend Dirac has got a religion and the first commandment of this religion is 'God does not exist and Paul Dirac is his prophet'". Everybody burst into laughter, including Dirac.

Many of Pauli's ideas and results were never published and appeared only in his letters, which were often copied and circulated by their recipients. Pauli may have been unconcerned that much of his work thus went uncredited, but when it came to Heisenberg's world-renowned, 1958, Lecture at Göttingen on their joint work on a unified field theory, and the press release calling Pauli a mere "assistant to Professor Heisenberg", Pauli became offended, shooting back several times at CERN and elsewhere by denouncing Heisenberg's physics prowess. The deterioration between them resulted in Heisenberg ignoring Pauli's funeral, and writing in his autobiography that Pauli's criticisms were overwrought.[14]

Personal life[edit]

In May 1929, Pauli left the Roman Catholic Church. In December of that year, he married Käthe Margarethe Deppner. The marriage was an unhappy one, ending in divorce in 1930 after less than a year. He married again in 1934 to Franziska Bertram. They had no children.

Bibliography[edit]

by Pauli
about Pauli
  • Enz, Charles P. (2002). No Time to be Brief, A scientific biography of Wolfgang Pauli. Oxford Univ. Press. 
  • Enz, Charles P. (1995). "Rationales und Irrationales im Leben Wolfgang Paulis". In ed. H. Atmanspacher, et al. Der Pauli-Jung-Dialog. Berlin: Springer-Verlag. 
  • Fischer, Ernst Peter (2004). Brücken zum Kosmos. Wolfgang Pauli – Denkstoffe und Nachtträume zwischen Kernphysik und Weltharmonie. Libelle. ISBN 978-3-909081-44-8. 
  • Gieser, Suzanne (2005). The Innermost Kernel. Depth Psychology and Quantum Physics. Wolfgang Pauli's Dialogue with C.G. Jung. Springer Verlag. 
  • Jung, C.G. (1980). Psychology and Alchemy. Princeton, New Jersey: Princeton Univ. Press. 
  • Keve, Tom (2000). Triad: the physicists, the analysts, the kabbalists. London: Rosenberger & Krausz. 
  • Lindorff, David (1994). Pauli and Jung: The Meeting of Two Great Minds. Quest Books. 
  • Pais, Abraham (2000). The Genius of Science. Oxford: Oxford University Press. 
  • Enz, P.; von Meyenn, Karl (editors); Schlapp, Robert (translator) (1994). Wolfgang Pauli – Writings on physics and philosophy. Berlin: Springer Verlag. ISBN 978-3-540-56859-9. 
  • Laurikainen, K. V. (1988). Beyond the Atom – The Philosophical Thought of Wolfgang Pauli. Berlin: Springer Verlag. ISBN 0-387-19456-8. 
  • Casimir, H. B. G. (1983). Haphazard Reality: Half a Century of Science. New York: Harper & Row. ISBN 0-06-015028-9. 
  • Casimir, H. B. G. (1992). Het toeval van de werkelijkheid: Een halve eeuw natuurkunde. Amsterdam: Meulenhof. ISBN 90-290-9709-4. 
  • Miller, Arthur I. (2009). Deciphering the Cosmic Number: The Strange Friendship of Wolfgang Pauli and Carl Jung. New York: W.W. Norton & Co. ISBN 978-0-393-06532-9. 
  • Remo, F. Roth: Return of the World Soul, Wolfgang Pauli, C.G. Jung and the Challenge of Psychophysical Reality [unus mundus], Part 1: The Battle of the Giants. Pari Publishing, 2011, ISBN 978-88-95604-12-1.
  • Remo, F. Roth: Return of the World Soul, Wolfgang Pauli, C.G. Jung and the Challenge of Psychophysical Reality [unus mundus], Part 2: A Psychophysical Theory. Pari Publishing, 2012, ISBN 978-88-95604-16-9.

See also[edit]

References[edit]

  1. ^ Gerald E. Brown and Chang-Hwan Lee (2006): Hans Bethe and His Physics, World Scientific, ISBN 981-256-610-4, p. 338
  2. ^ Ernst Mach and Wolfgang Pauli's ancestors in Prague
  3. ^ "Jewish Physicists". Retrieved 2006-09-30. 
  4. ^ Charles Paul Enz (2002). No Time to Be Brief: A Scientific Biography of Wolfgang Pauli. Oxford University Press. ISBN 9780198564799. "At the same time Pauli writes on 11 October 1957 to the science historian Shmuel Sambursky whom he had met on his trip to Israel (see Ref. [7], p. 964): 'In opposition to the monotheist religions – but in unison with the mysticism of all peoples, including the Jewish mysticism – I believe that the ultimate reality is not personal.'" 
  5. ^ Werner Heisenberg (2007). Physics and Philosophy: The Revolution in Modern Science. HarperCollins. pp. 214–215. ISBN 9780061209192. "Wolfgang shared my concern. ..."Einstein's conception is closer to mine. His God is somehow involved in the immutable laws of nature. Einstein has a feeling for the central order of things. He can detect it in the simplicity of natural laws. We may take it that he felt this simplicity very strongly and directly during his discovery of the theory of relativity. Admittedly, this is a far cry from the contents of religion. I don't believe Einstein is tied to any religious tradition, and I rather think the idea of a personal God is entirely foreign to him."" 
  6. ^ Varlaki, P.; Nadai L.; Bokor, J. (2008). "Number Archetypes and Background Control Theory Concerning the Fine Structure Constant". Acta Polytechnica Hungarica 5 (2). Retrieved 2009-02-12. 
  7. ^ Charles Paul Enz: No Time to be Brief: A Scientific Biography of Wolfgang Pauli, first published 2002, reprinted 2004, ISBN 0-19-856479-1, p. 338
  8. ^ Enz, Charles; Meyenn, Karl von (1994). "Wolfgang Pauli, A Biographical Introduction". Writings on Physics and Philosophy (Springer-Verlag). p. 19. 
  9. ^ Pauli, W. (1954). "Naturwissenschaftliche und erkenntnistheoretische Aspekte der Ideen vom Unbewussten". Dialectica 8 (4): 283–301. doi:10.1111/j.1746-8361.1954.tb01265.x. 
  10. ^ Atmanspacher, H.; Primas, H. (2006). "Pauli's ideas on mind and matter in the context of contemporary science". Journal of Consciousness Studies 13 (3): 5–50. Retrieved 2009-02-12. 
  11. ^ Conference on Wolfgang Pauli's Philosophical Ideas and Contemporary Science organised by ETH May 20–25, 2007. The abstract of a paper discussing this by Richard Jorgensen is here [1]
  12. ^ Peierls, R. (1960). "Wolfgang Ernst Pauli, 1900–1958". Biographical Memoirs of Fellows of the Royal Society 5: 186. doi:10.1098/rsbm.1960.0014. 
  13. ^ The Historical Development of Quantum Theory, By Jagdish Mehra, Helmut Rechenberg, page 488, Springer (December 28, 2000), ISBN 978-0-387-95175-1, citing Oskar Klein.
  14. ^ Arthur I. Miller (10 Dec 2009). "The strange friendship of Pauli and Jung – Part 6" (flv). CERN. University College London. pp. 4–6:00,8:10–8:50. "...a press release that read, most offensively to Pauli, 'Professor Heisenberg and his assistant W. Pauli..." 

External links[edit]


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io9
Thu, 14 Aug 2014 16:15:00 -0700

In urban legend, physicist Wolfgang Pauli said of a student's paper: "This isn't right. This isn't even wrong." Finally, two commenters joined together to give us one of the better stock answers for the scientific questions that continue to puzzle us ...
 
Beliefnet
Mon, 04 Aug 2014 08:44:46 -0700

Stapp worked closely with Werner Heisenberg, Wolfgang Pauli, and John Wheeler, and is author of two books on the quantum mechanical foundation of the connection between mind and matter: “Mind, Matter, and Quantum Mechanics;” and “Mindful ...

OUPblog (blog)

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Sun, 10 Aug 2014 02:33:44 -0700

Stoner was responsible for applying the third quantum number. It was after reading Stoner's article that the much more famous Wolfgang Pauli was able to suggest a fourth quantum number which later acquired the name of electron spin to describe a ...
 
Südwest Presse
Thu, 21 Aug 2014 20:22:30 -0700

Dezember 2016 verlängert, jener für Teilflächen eines Lagers im Handwerkerhof, Wolfgang-Pauli-Straße 1, bis zum 30. Juni 2015. "Die unterschiedlichen Laufzeiten stehen nicht in Zusammenhang mit den Überlegungen des SWR, die Produktion des ...
 
Südwest Presse
Thu, 21 Aug 2014 20:22:30 -0700

Dezember 2016 verlängert, jener für Teilflächen eines Lagers im Handwerkerhof, Wolfgang-Pauli-Straße 1, bis zum 30. Juni 2015. "Die unterschiedlichen Laufzeiten stehen nicht in Zusammenhang mit den Überlegungen des SWR, die Produktion des ...
 
DiePresse.com
Tue, 19 Aug 2014 10:15:00 -0700

Er hat noch mit allen Größen seiner Zunft zusammengearbeitet: Werner Heisenberg, Erwin Schrödinger, Wolfgang Pauli, Albert Einstein. Für sie war er „der junge Thirring“: Sein Vater Hans Thirring (1888–1976) war auch Physiker, er sagte 1918 den ...
 
ORF.at
Tue, 19 Aug 2014 06:07:30 -0700

Thirring studierte in Innsbruck und Wien Physik und forschte unter anderem bei Erwin Schrödinger am Dublin Institute for Advanced Studies, Werner Heisenberg am Max-Planck-Institut in Göttingen und Wolfgang Pauli an der ETH-Zürich. Er war am Institute ...
 
ORF.at
Tue, 19 Aug 2014 09:37:29 -0700

Er arbeitete bei Werner Heisenberg am Max-Planck-Institut in Göttingen und bei Wolfgang Pauli an der ETH-Zürich. Thirring heiratete und nahm eine Stelle an der Universität Bern an. Es folgte eine Einladung an das Institute of Advanced Studies in ...
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