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Topic: George Uhlenbeck


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  George Eugene Uhlenbeck - Wikipedia, the free encyclopedia
George Eugene Uhlenbeck (December 6, 1900 – October 31, 1988) was a Dutch/U.S. Indonesian-born) physicist.
Uhlenbeck was also awarded the Lorentz Medal in 1970 and Wolf Prize in Physics in 1979.
van Berkel, Uhlenbeck, George Eugène (1900-1988), in Biografisch Woordenboek van Nederland.
en.wikipedia.org /wiki/George_Uhlenbeck   (151 words)

  
 George Eugene Uhlenbeck - Wikimedia Commons
Català: George Eugene Uhlenbeck (1900 1988) va ser un físic neerlandès.
Español: George Eugene Uhlenbeck (1900 1988) fue un físico neerlandés.
Plattdüütsch: George Eugene Uhlenbeck (1900 1988) weer en nedderlandschen Physiker.
commons.wikimedia.org /wiki/George_Eugene_Uhlenbeck   (117 words)

  
 George Eugene Uhlenbeck   (Site not responding. Last check: 2007-09-30)
George Uhlenbeck, although born in Indonesia, was educated in the Netherlands.
Uhlenbeck's doctoral work was of fundamental importance in quantum mechanics, systematising statistical notions and proposing electron spin.
Uhlenbeck was always very keen on clarity and a logical approach to all problems.
physics.rug.ac.be /fysica/Geschiedenis/mathematicians/uhlenbeck.html   (161 words)

  
 Uhlenbeck
Now Uhlenbeck was doubly glad to be able to make the move, firstly because he had always wanted to study physics and mathematics at university, but also because he felt he did not have the dexterity to undertake a practical subject.
Uhlenbeck had a very significant influence on statistical mechanics and brought an area which was very varied and disjointed into some sort of structured whole.
Uhlenbeck's papers are all relatively short and stand out by their conciseness, precision, and clarity, finely honed to a deeper understanding of a basic problem in statistical physics.
homepages.compuserve.de /thweidenfeller/mathematiker/Uhlenbeck.htm   (1773 words)

  
 Goudsmit on the discovery of electron spin
George Uhlenbeck had interrupted his research to become tutor of the children of the Netherlands ambassador in Rome.
And George Uhlenbeck, who was there, has also studied classical physics; when he came home in the summer Ehrenfest said: "You should work together with him for a while, then he may learn something about the new atomic structure and all that spectral business".
Now it is being told that Uhlenbeck got frightened, went to Ehrenfest and said: "Don't send it off, because it probably is wrong; it is impossible, one cannot have an electron that rotates at such high speed and has the right moment".
www.lorentz.leidenuniv.nl /history/spin/goudsmit.html   (4205 words)

  
 [No title]
George E. Uhlenbeck, a major figure in theoretical physics and a professor emeritus at Rockefeller University, has died.
Uhlenbeck, who had been in failing health, died Monday at his home in Boulder, Colo., the university said.
Uhlenbeck was born in Batavia, Java, which is now Jakarta, the capital of Indonesia.
ils.unc.edu /~viles/172i/users/big/docs/AP881101-0170   (192 words)

  
 [No title]
George E. Uhlenbeck, a major figure in theoretical physics and a professor emeritus at Rockefeller University, died Monday at age 87.
Uhlenbeck was best known as the co-discoverer, with the late Samuel A. Goudsmit, of the phenomenon of electron spin.
Uhlenbeck received the National Medal of Science, the nation's highest science award, in 1977, the same year the Dutch government made him Commander of the Order of Orange-Nassau, the highest non-military award it gives to foreigners.
ils.unc.edu /~viles/172i/tdoc   (19818 words)

  
 Discovery of electron spin
This photograph was taken around 1928 in Ann Arbor, three years after George Uhlenbeck (left) and Samuel Goudsmit (right) proposed the idea that each electron spins with an angular momentum of one half Planck constant and carries a magnetic moment of one Bohr magneton.
At the time of their discovery, Uhlenbeck and Goudsmit were studying in Leiden with Paul Ehrenfest.
No wonder that Uhlenbeck would later refer to the "luck and privilege to be students of Paul Ehrenfest".
www.lorentz.leidenuniv.nl /history/spin/spin.html   (267 words)

  
 Innere Freiheitsgrade
Then the idea occurred quite independently to two Young Dutch physicists, George Uhlenbeck and Samuel Goudsmit.
  He suggested to Uhlenbeck and Goudsmit that they should go and talk it over with Hendrik Lorentz, who lived close by in Haarlem.
I have thought of that myself, and if the electron did have a spin, the speed of the surface of the electron would be greater than the velocity of light.
www.thp.uni-koeln.de /natter/physwelt/vorl8/slide0019.html   (215 words)

  
 More on Spin
The concept of spin was introduced in 1925 by Ralph Kronig, and independently by George Uhlenbeck and Samuel Goudsmit.
In the fall of that year, the same thought came to two young Dutch physicists, George Uhlenbeck and Samuel Goudsmit.
This discrepancy was due to the necessity to take into account the orientation of the electron's tangent frame, in addition to its position; mathematically speaking, a fiber bundle description is needed.
www.artilifes.com /spin.htm   (1568 words)

  
 [No title]
 GEORGE UHLENBECK (1900-1988, DutchUS) and SAMUEL GOUDSMIT (19021978, DutchUS).
Uhlenbeck (center) and Goudsmit (right) are shown here with colleague Oskar Klein (left).
In 1925, Goudsmit and Uhlenbeck, while both graduate students at Leiden, showed that several puzzles in atomic spectra could be explained if the electron was assumed to have a spin angular momentum with quantum number s = 1/2.
www.colorado.edu /physics/TZD/NewBiosFigsTabs/Fin09bft.doc   (1333 words)

  
 [No title]   (Site not responding. Last check: 2007-09-30)
Professor George Uhlenbeck´s discovery, jointly with the late Samuel A. Goudsmit, of the electron spin, not only had major implications in physics and chemistry, but also provided the first example of an internal degree of freedom for an elementary particle.
Uhlenbeck is also an outstanding figure in statistical mechanics.
Professor Giuseppe Occhialini has contributed to the discovery of electron pair production, jointly with P.M.S. Blackett and J. Chadwick, and to the discovery of the charged pion, jointly with C.M.G. Lattes, H. Muirhead and C.F. Powell.
www.wolffund.org.il /full.asp?id=104   (165 words)

  
 george e nasr - ResearchIndex document query   (Site not responding. Last check: 2007-09-30)
Models for the Analysis of Dynamic Changes in Forest-Ecosystems Joachim Ktting, George E.
Embedded in Polyimide Layers for 3D-MMICs on Si George E.
Earthquakes In Central Asia Charles J. Ammon, 1 George E.
citeseer.ist.psu.edu /cis?q=George+E.+Nasr   (511 words)

  
 List of National Medal of Science recipients - Wikipedia, the free encyclopedia
President George W. Bush (5th from left) and Dr. John Marburger (far right), director of the White House Office of Science and Technology, pose with the recipients of National Medal of Science, Monday, Feb. 13, 2004, in the White House.
1967 Jesse Beams, Francis Birch, Gregory Breit, Louis Hammett, George Kistiakowsky
1976 Samuel Goudsmit, Herbert Gutowsky, Frederick Rossini, Verner Suomi, Henry Taube, George Uhlenbeck
en.wikipedia.org /wiki/List_of_National_Medal_of_Science_winners   (893 words)

  
 The Mathematics Genealogy Project - George Uhlenbeck
Click here to see the students listed in chronological order.
According to our current on-line database, George Uhlenbeck has 3 students and 21 descendants.
If you have additional information or corrections regarding this mathematician, please use the update form.
www.genealogy.math.ndsu.nodak.edu /html/id.phtml?id=58901   (66 words)

  
 Electron Magnetic Resonance
Louis de Broglie proposed that had both wave and particle properties.
Samuel Goudsmit and George Uhlenbeck discovered electron spin
Paul Dirac showed that the spin quantum number appears automatically if a relativistic Hamiltonian is used for the wave equation.
www.esr-group.org.uk /Time_Line.html   (309 words)

  
 What is the electron spin?   (Site not responding. Last check: 2007-09-30)
In 1891, the Irish physicist, George Stoney, believed that electricity should have a fundamental unit.
The concept of electron spin was discovered by S.A. Goudsmit and George Uhlenbeck in 1925.
The electron has three basic properties: electric charge, mass and spin.
www.electronspin.org   (944 words)

  
 george e vlahos - ResearchIndex document query
To Discovering And Proving Q-Series Identities By George E.
Structure In Central Asia Charles J. Ammon, 1 George E.
An Infinite Family of Engel Expansions of Rogers-Ramanujan Type George E.
citeseer.ist.psu.edu /cis?q=George+E.+Vlahos   (563 words)

  
 History 181B - Class 27
Explaining the chemical bond: The hydrogen molecule (H
George Gamow, "The Exclusion Principle," Scientific American 201:1 (July 1959): 74-86.
This is a semi-historical account of Pauli's exclusion principle, written by a colleague after the fact.
socrates.berkeley.edu /~clcarson/spring05/181B/class27.html   (216 words)

  
 Find in a Library: Statistical mechanics at the turn of the decade.
Statistical mechanics at the turn of the decade.
by E G D Cohen; George Eugène Uhlenbeck
To find this item in a library, enter a postal code, state, province, or country in the field above.
www.worldcatlibraries.org /wcpa/ow/dedb329d88a5edc3.html   (63 words)

  
 Fundamental Problems in Statistical Physics XI Leuven 2005
The location, year and invited speakers of all the previous Fundamental Problems in Statistical Mechanics/Physics schools are included in this section.
Invited lecturers: B.R.A. Nijboer, Harald Wergeland, Kerson Huang, N.M. Hugenholtz, Eddy G.D. Cohen, Leo van Hove, Nico G. van Kampen, Peter Mazur, George E. Uhlenbeck
Invited lecturers: George E. Uhlenbeck, P.W. Kasteleyn, Mark Kac, David Ruelle, R.J. Glauber, N.M. Hugenholtz, Eddy G.D. Cohen, Nico G. van Kampen
fys.kuleuven.be /vsm/FPSPXI/furtherinf.html   (477 words)

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