Louis de Broglie

Louis de Broglie
De Broglie in 1929
Born
Louis Victor Pierre Raymond

(1892-08-15)15 August 1892
Died19 March 1987(1987-03-19) (aged 94)
Louveciennes, Île-de-France, France
Alma materUniversity of Paris (PhD)
Known for
FatherVictor de Broglie
RelativesMaurice de Broglie (brother)
FamilyBroglie
Awards
Honors Grand Cross of the Legion of Honour (1961)
Scientific career
FieldsQuantum physics
Institutions
ThesisRecherches sur la théorie des quanta (Research on quantum theory) (1924)
Doctoral advisorPaul Langevin[1]
Doctoral students

Louis Victor Pierre Raymond, 7th Duc de Broglie[a] (15 August 1892 – 19 March 1987)[3] was a French theoretical physicist and aristocrat known for his contributions to quantum theory. In his 1924 PhD thesis, he postulated the wave nature of electrons and suggested that all matter has wave properties. This concept is known as the de Broglie hypothesis, an example of wave-particle duality, and forms a central part of the theory of quantum mechanics. De Broglie won the Nobel Prize in Physics in 1929, after the wave-like behaviour of matter was first experimentally demonstrated in 1927.[4][5]

The wave-like behaviour of particles discovered by de Broglie was used by Erwin Schrödinger in his formulation of wave mechanics.[6]: 270  De Broglie presented an alternative interpretation of these mechanics call the pilot-wave concept at the 1927 Solvay Conferences then abandoned it. In 1952, David Bohm developed a new form of the concept which became known as the de Broglie–Bohm theory. De Broglie revisited the idea in 1956, creating another version that incorporated ideas from Bohm and Jean-Pierre Vigier.[7]

Louis de Broglie was the sixteenth member elected to occupy seat 1 of the Académie française in 1944, and served as Perpetual Secretary of the French Academy of Sciences.[8][9] De Broglie became the first high-level scientist to call for establishment of a multi-national laboratory, a proposal that led to the establishment of the European Organization for Nuclear Research (CERN).[10] Among his publications were The Revolution in Physics and Matter and Light. He was honorary president of the French Association of Science Writers and received the inaugural Kalinga Prize from UNESCO for his efforts to popularize science.[11][12]

  1. ^ a b c d e f g h i "Louis de Broglie". Mathematics Genealogy Project.
  2. ^ "DE BROGLIE Definition & Meaning". Dictionary.com.
  3. ^ Cite error: The named reference louveciennes was invoked but never defined (see the help page).
  4. ^ "The Nobel Prize in Physics 1929". The Nobel Foundation.
  5. ^ Ennis, Thomas W. (20 March 1987). "LOUIS DE BROGLIE, FRENCH PHYSICIST, WON '29 NOBEL PRIZE FOR WAVE THEORY". The New York Times.
  6. ^ Whittaker, Edmund T. (1989). A history of the theories of aether & electricity. 2: The modern theories, 1900 - 1926 (Repr ed.). New York: Dover Publ. ISBN 978-0-486-26126-3.
  7. ^ Cite error: The named reference Bridgman-1960 was invoked but never defined (see the help page).
  8. ^ O'Connor, John J.; Robertson, Edmund F., "Louis de Broglie", MacTutor History of Mathematics Archive, University of St Andrews
  9. ^ "History of International Academy of Quantum Molecular Science". IAQMS. Retrieved 8 March 2010.
  10. ^ "Louis de Broglie". Soylent Communications. Retrieved 12 June 2015.
  11. ^ "Louis de Broglie - Biographical". The Nobel Foundation.
  12. ^ "NOTES ON SCIENCE: First Award of Kalinga Prize -- Best Light for Eyes". The New York Times. 15 June 1952.


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