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Paul Adrien Maurice Dirac OM FRS [6] ( / dɪˈræk /; 8 August 1902 – 20 October 1984) was an English mathematical and theoretical physicist who is considered to be one of the founders of quantum mechanics and quantum electrodynamics. [7] [8] He is credited with laying the foundations of quantum field theory.
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- Theoretical physics
Apr 24, 2024 · P.A.M. Dirac was an English theoretical physicist who was one of the founders of quantum mechanics and quantum electrodynamics. Dirac is most famous for his 1928 relativistic quantum theory of the electron and his prediction of the existence of antiparticles. In 1933 he shared the Nobel Prize for.
- Alexei Kojevnikov
Oct 2, 2009 · Playlist. In a new biography, Graham Farmelo digs deep into the archives and personal papers of a little-known Nobel-winning physicist. Farmelo discusses The Strangest Man: The Hidden Life of...
- Early Days
- The Dirac Equation
- Other Achievements
- Dirac Stories
When Dirac went to Cambridge in 1923, the physics of matter on the smallest scales – in those days this was the physics of the atom – was in ferment. It had been known for more than a decade that the old mechanics of Newton – “classical” mechanics, as it came to be called – does not apply in the microscopic world. In particular, evidence from the l...
Although brilliant – in Einstein’s words, “the most logically perfect presentation of quantum mechanics” – this was a reformulation of physics that had, admittedly only just, been discovered. Dirac’s main contribution came several years later, when (still in his mid-twenties) he made his most spectacular discovery. Before quantum mechanics, there h...
Having explained spin, it was natural for Dirac to try to explain electric charge, and in particular the mysterious fact that it is quantized: all charges found in nature are multiples of the charge on the electron. In classical electricity, there is no basis for this: charges can have any value. In 1931 Dirac gave a solution of this problem in an ...
It is not my intention to write about what sort of person Dirac was. But I must mention the genre of “Dirac stories”. He was so unusual in the logic and precision of his interaction with the world, both in and out of physics, that tales have become attached to him and have acquired a life of their own. I suppose it matters to a historian whether th...
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In 1928, Paul Dirac formulated a Hamiltonian that can describe electrons moving close to the speed of light, thus successfully combining quantum theory with special relativity. Another triumph of Dirac’s theory is that it accurately predicts the magnetic moment of the electron.
Dec 22, 2017 · Andrew Zimmerman Jones. Updated on December 22, 2017. English theoretical physicist Paul Dirac is known for a wide range of contributions to quantum mechanics, particularly to formalizing the mathematical concepts and techniques needed to make the principles internally consistent.
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