Bra–ket notation, also called Dirac notation, is a notation for linear algebra and linear operators on complex vector spaces together with their dual...
42 KB (6,315 words) - 04:58, 4 September 2024
In particle physics, the Dirac equation is a relativistic wave equation derived by British physicist Paul Dirac in 1928. In its free form, or including...
78 KB (12,993 words) - 14:09, 28 September 2024
In mathematical analysis, the Dirac delta function (or δ distribution), also known as the unit impulse, is a generalized function on the real numbers...
94 KB (14,004 words) - 14:58, 3 October 2024
Quantum decoherence (section Dirac notation)
classical phase spaces and Hilbert spaces. A more rigorous derivation in Dirac notation shows how decoherence destroys interference effects and the "quantum...
64 KB (9,385 words) - 15:45, 3 October 2024
|1\rangle } denote particular solutions to the Schrödinger equation in Dirac notation weighted by the two probability amplitudes c 0 {\displaystyle c_{0}}...
18 KB (2,469 words) - 00:10, 14 September 2024
Dirac fields in quantum field theory, Richard Feynman invented the convenient Feynman slash notation (less commonly known as the Dirac slash notation)...
5 KB (944 words) - 07:05, 7 February 2024
Bra–ket notation, or Dirac notation, is an alternative representation of probability distributions in quantum mechanics. Tensor index notation is used...
9 KB (1,087 words) - 23:04, 26 June 2024
Gamma matrices (redirect from Dirac matrices)
=0\ } where ψ {\displaystyle \ \psi \ } is a Dirac spinor. Switching to Feynman notation, the Dirac equation is ( i ∂ / − m ) ψ = 0 . {\displaystyle...
61 KB (7,233 words) - 00:33, 24 September 2024
The Dirac sea is a theoretical model of the electron vacuum as an infinite sea of electrons with negative energy, now called positrons. It was first postulated...
14 KB (2,014 words) - 21:53, 23 August 2024
Paul Adrien Maurice Dirac OM FRS (/dɪˈræk/; 8 August 1902 – 20 October 1984) was an English mathematical and theoretical physicist who is considered to...
88 KB (9,745 words) - 07:04, 13 September 2024