The Dirac bracket is a generalization of the Poisson bracket developed by Paul Dirac to treat classical systems with second class constraints in Hamiltonian...

Dirac bracket Dirac adjoint Dirac cone Dirac points Dirac constant, see reduced Planck constant Dirac–Coulomb–Breit Hamiltonian Dirac equation Dirac equation...

the universal enveloping algebra. Commutator Dirac bracket Lagrange bracket Moyal bracket Peierls bracket Phase space Poisson algebra Poisson ring Poisson...

lengthy dispute with Paul Dirac. In the meantime this idea was independently introduced in 1946 by Hip Groenewold. The Moyal bracket is a way of describing...

Paul Adrien Maurice Dirac OM FRS (/dɪˈræk/; 8 August 1902 – 20 October 1984) was an English mathematical and theoretical physicist who is considered to...

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...

calculated previously, and their Dirac brackets generated. First and second class constraints were introduced by Dirac (1950, p.136, 1964, p.17) as a way...

\left\{\gamma ^{0},\gamma ^{1},\gamma ^{2},\gamma ^{3}\right\}\ ,} also called the Dirac matrices, are a set of conventional matrices with specific anticommutation...

In mathematics, brackets of various typographical forms, such as parentheses ( ), square brackets [ ], braces { } and angle brackets ⟨ ⟩, are frequently...

A bracket is either of two tall fore- or back-facing punctuation marks commonly used to isolate a segment of text or data from its surroundings. They...