Paul Adrien Maurice Dirac (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. He is credited with laying the foundations of quantum field theory. He was the Lucasian Professor of Mathematics at the University of Cambridge, a professor of physics at Florida State University and the University of Miami, and a 1933 Nobel Prize in Physics recipient.
Dirac made fundamental contributions to the early development of both quantum mechanics and quantum electrodynamics, coining the latter term. Among other discoveries, he formulated the Dirac equation in 1928, which describes the behaviour of fermions and predicted the existence of antimatter, and is considered one of the most important equations in physics, with it being considered by some to be the "real seed of modern physics". He wrote a famous paper in 1931, which further predicted the existence of antimatter. Dirac shared the 1933 Nobel Prize in Physics with Erwin Schrödinger "for the discovery of new productive forms of atomic theory". He also made significant contributions to the reconciliation of general relativity with quantum mechanics. His 1930 monograph, The Principles of Quantum Mechanics, is considered to be one of the most influential texts on quantum mechanics.
Dirac's contributions were not only restricted to quantum mechanics. He contributed to the Tube Alloys project, the British programme to research and construct atomic bombs during World War II. Furthermore, Dirac made fundamental contributions to the process of uranium enrichment and the gas centrifuge, and whose work was deemed to be "probably the most important theoretical result in centrifuge technology". He also contributed to cosmology, putting forth his large numbers hypothesis. Dirac is also seen as having anticipated string theory well before its inception, with his work on the Dirac membrane and Dirac–Born–Infeld action, amongst other contributions.
Dirac was regarded by his friends and colleagues as unusual in character. In a 1926 letter to Paul Ehrenfest, Albert Einstein wrote of a Dirac paper, "I am toiling over Dirac. This balancing on the dizzying path between genius and madness is awful." In another letter concerning the Compton effect he wrote, "I don't understand the details of Dirac at all." In 1987, Abdus Salam stated that "Dirac was undoubtedly one of the greatest physicists of this or any century . . . No man except Einstein has had such a decisive influence, in so short a time, on the course of physics in this century."
Paul Dirac
Lectures on Quantum Mechanics – https://amzn.to/3Q7ojMm
The Principles of Quantum Mechanics – https://amzn.to/443HUTu
Disclaimer: This post contains affiliate links. If you make a purchase, I may receive a commission at no extra cost to you.
Chapters:
(00:00) Lecture 1: Quantum Mechanics
(59:32) Lecture 2: Quantum Electrodynamics
(2:04:06) Lecture 3: Magnetic Monopoles
(2:54:58) Lecture 4: Does 'G' Vary? (Large Numbers Hypothesis)
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Paul Adrien Maurice Dirac (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. He is credited with laying the foundations of quantum field theory. He was the Lucasian Professor of Mathematics at the University of Cambridge, a professor of physics at Florida State University and the University of Miami, and a 1933 Nobel Prize in Physics recipient.
Dirac made fundamental contributions to the early development of both quantum mechanics and quantum electrodynamics, coining the latter term. Among other discoveries, he formulated the Dirac equation in 1928, which describes the behaviour of fermions and predicted the existence of antimatter, and is considered one of the most important equations in physics, with it being considered by some to be the "real seed of modern physics". He wrote a famous paper in 1931, which further predicted the existence of antimatter. Dirac shared the 1933 Nobel Prize in Physics with Erwin Schrödinger "for the discovery of new productive forms of atomic theory". He also made significant contributions to the reconciliation of general relativity with quantum mechanics. His 1930 monograph, The Principles of Quantum Mechanics, is considered to be one of the most influential texts on quantum mechanics.
Dirac's contributions were not only restricted to quantum mechanics. He contributed to the Tube Alloys project, the British programme to research and construct atomic bombs during World War II. Furthermore, Dirac made fundamental contributions to the process of uranium enrichment and the gas centrifuge, and whose work was deemed to be "probably the most important theoretical result in centrifuge technology". He also contributed to cosmology, putting forth his large numbers hypothesis. Dirac is also seen as having anticipated string theory well before its inception, with his work on the Dirac membrane and Dirac–Born–Infeld action, amongst other contributions.
Dirac was regarded by his friends and colleagues as unusual in character. In a 1926 letter to Paul Ehrenfest, Albert Einstein wrote of a Dirac paper, "I am toiling over Dirac. This balancing on the dizzying path between genius and madness is awful." In another letter concerning the Compton effect he wrote, "I don't understand the details of Dirac at all." In 1987, Abdus Salam stated that "Dirac was undoubtedly one of the greatest physicists of this or any century . . . No man except Einstein has had such a decisive influence, in so short a time, on the course of physics in this century."
Paul Dirac
Lectures on Quantum Mechanics – https://amzn.to/3Q7ojMm
The Principles of Quantum Mechanics – https://amzn.to/443HUTu
Disclaimer: This post contains affiliate links. If you make a purchase, I may receive a commission at no extra cost to you.
Chapters:
(00:00) Lecture 1: Quantum Mechanics
(59:32) Lecture 2: Quantum Electrodynamics
(2:04:06) Lecture 3: Magnetic Monopoles
(2:54:58) Lecture 4: Does 'G' Vary? (Large Numbers Hypothesis)
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