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Hace 18 horas · At Los Alamos, Feynman was assigned to Hans Bethe's Theoretical (T) Division, and impressed Bethe enough to be made a group leader. He and Bethe developed the Bethe–Feynman formula for calculating the yield of a fission bomb, which built upon previous work by Robert Serber. As a junior physicist, he was not central to the project.
Hace 2 días · Werner Karl Heisenberg ( pronounced [ˈvɛʁnɐ kaʁl ˈhaɪzn̩bɛʁk] ⓘ; 5 December 1901 – 1 February 1976) [2] was a German theoretical physicist, one of the main pioneers of the theory of quantum mechanics, and a principal scientist in the Nazi nuclear weapons program during World War II.
Hace 1 día · 1928 - Hans Bethe published the first non-relativistic explanation of electron diffraction based upon Schrödinger's equation, which remains central to all further analysis. 1928 - Carl Hermann introduced and Charles Mauguin modified the international standard notation for crystallographic groups called Hermann–Mauguin notation.
Hace 5 días · Crystal Field Theory. Objective: To determine the crystal field stabilization energy (CFSE) of metal complexes. Theory: CFT was proposed by the physicist Hans Bethe in 1929. Subsequent modifications were proposed by J. H. Van Vleck in 1935 to allow for some covalency in the interactions.
Hace 5 días · One of these methods is the Bethe-Guggenheim approximation, originally developed independently by Hans Bethe and Edward Guggenheim in 1935. This approximation goes beyond the well-known mean field approximation and explicitly accounts for pair correlations between the spins in the Ising model.
Hace 3 días · Hans Albrecht Bethe (2 juillet 1906 à Strasbourg, Empire allemand – 6 mars 2005 à Ithaca, État de New York) est un physicien américain d’origine allemande. Il fut lauréat du prix Nobel de physique de 1967 pour sa contribution à la compréhension de la nucléosynthèse stellaire.
Hace 5 días · We propose a new framework for the nested algebraic Bethe ansatz for a closed, rational spin chain with g -symmetry for any simple Lie algebra g. Starting the nesting process by removing a single simple root from g, we use the residual U(1) charge and the block Gauss decomposition of the R -matrix to derive many standard results in ...
