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1 giorno fa · In mathematical analysis, the Dirac delta function (or δ distribution ), also known as the unit impulse, [1] is a generalized function on the real numbers, whose value is zero everywhere except at zero, and whose integral over the entire real line is equal to one. [2] [3] [4] Since there is no function having this property, to model the delta ...
16 mag 2024 · 1. Paul Dirac (1902-1984), the English theoretical physicist, was forced to learn French. To teach his children the language, Dirac’s father demanded that his children converse with him only in French. If one of them did not know how to express themselves in the language at any point, he would simply remain silent, as if awaiting a ...
2 giorni fa · Niels Bohr. Niels Henrik David Bohr ( Danish: [ˈne̝ls ˈpoɐ̯ˀ]; 7 October 1885 – 18 November 1962) was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922. Bohr was also a philosopher and a promoter of scientific research.
9 mag 2024 · Notation (Physik) Paul Dirac als Namensgeber. Die Dirac-Notation, auch Bra-Ket-Notation, ist in der Quantenmechanik eine Notation für quantenmechanische Zustände. Die Notation geht auf Paul Dirac zurück. Die ebenfalls von ihm eingeführte Bezeichnung Bra-Ket-Notation ist ein Wortspiel mit der englischen Bezeichnung für eine Klammer ( bracket ).
13 mag 2024 · Paul Adrien Maurice Dirac, OM, FRS (IPA: /dɪˈræk/) (8 August 1902 – 20 October 1984) was a British theoretical physicist. Dirac made fundamental contributions to the early development of both quantum mechanics and quantum electrodynamics. He held the Lucasian Chair of Mathematics at the University of Cambridge and spent the last fourteen ...
2 giorni fa · Richard Phillips Feynman ( / ˈfaɪnmən /; May 11, 1918 – February 15, 1988) was an American theoretical physicist, known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the physics of the superfluidity of supercooled liquid helium, as well as his work in particle physics for which ...
25 apr 2024 · Dirac’s equation is a relativistic wave equation explaining that parity inversion (sign inversion of spatial coordinates) is symmetrical for all half-spin electrons and quarks. The equation was first explained in 1928 by P. A. M. Dirac. The equation is used to predict the existence of antiparticles.
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