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Vor 3 Tagen · 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.
Vor 4 Tagen · Werner Heisenberg. 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.
Vor 2 Tagen · For a more complete approach one has to include multiple scattering of the electrons using methods that date back to the early work of Hans Bethe in 1928. These are based around solutions of the Schrödinger equation [11] using the relativistic effective mass m ∗ {\displaystyle m^{*}} described earlier. [92]
Vor einem Tag · Bethe ansatz. 1 Introduction In 1931 Hans Bethe introduced an ansatz for the eigenstates of the antiferromagnetic Heisenberg Hamiltonian in a closed spin-1/2 chain [1]. This ansatz involves the summation of permutations of plane waves, with their quasi-momenta coupled through transcendental equations known as Bethe equations. This ...
Vor 5 Tagen · From left, Nobel laureates Edwin McMillan, Emilio Segre, I.I. Rabi, Hans Bethe and Luis Alvarez gather for a conference at the lab. Bethe headed the Theoretical Division at Los Alamos during World ...
Vor 4 Tagen · Frank-Walter Steinmeier (* 5. Januar 1956 in Detmold) ist ein deutscher Politiker ( SPD ). Er ist seit dem 19. März 2017 der zwölfte Bundespräsident der Bundesrepublik Deutschland. Am 13. Februar 2022 wurde er für eine zweite Amtszeit wiedergewählt, die mit dem 18. März 2027 endet.
Vor 3 Tagen · West Campus. Hans Bethe House. 607-255-1736. Jansen's Dining Room at Bethe House is a dining room for house residents, and for the entire Cornell community. Chef Jacob Kuehn puts together exciting new menus throughout the year.
