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- Dirac developed a noncommutative algebra for calculating atomic properties, and published a series of papers on the subject, mostly in the Proceedings of the Royal Society, leading to his relativistic theory of the electron (1928) and theory of holes (1930).
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Aug 5, 2023 · (Image credit: Bettmann via Getty Images) British theoretical physicist Paul Dirac was one of the most significant figures in the early days of quantum physics, who along with Erwin Schrödinger...
Therefore, Dirac was known for his "astounding physical intuition combined with the ability to invent new mathematics to create new physics". During his career, Dirac made numerous important contributions to mathematical subjects, including the Dirac delta function, Dirac algebra and the Dirac operator. Quantum theory
- British
- 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
Although Dirac made vastly important contributions to physics, it is important to realise that he was always motivated by principles of mathematical beauty. Dirac unified the theories of quantum mechanics and relativity theory, but he also is remembered for his outstanding work on the magnetic monopole, fundamental length, antimatter, the d ...
- 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...
Feb 13, 2024 · In the pantheon of great minds that forged the path of quantum mechanics, Dirac’s contributions are fundamental, shaping our understanding of the subatomic world. His insights laid the groundwork for quantum field theory and predicted the existence of antimatter, revolutionizing physics and opening new avenues for scientific inquiry.
He was awarded the Nobel Prize in Physics jointly with Erwin Schrödinger in 1933 for his contributions to atomic theory, Dirac’s prediction of the existence of antimatter having been experimentally proven by that time.
