Dirac (disambiguation)

Look up Dirac in Wiktionary, the free dictionary.

Paul Dirac (1902–1984) was a Swiss-British theoretical physicist, Nobel laureate, and a founder of the field of quantum physics.

Dirac may also refer to:

Physics

• Dirac bracket, a generalization of the Poisson bracket
• Dirac constant, a reduced form of the Planck constant
• Dirac equation, a relativistic quantum mechanical wave equation
• Dirac notation, a standard notation for describing quantum states

Other uses

• 5997 Dirac, a main-belt asteroid
• Dirac (software), a relativistic quantum chemistry program
• Dirac (video compression format), an open digital video codec developed by BBC Research
• Dirac, Charente, a commune of the Charente département, in France
• Dirac measure, a mathematical measure that is a probability measure
• Dirac observables, see loop quantum gravity

See also

• Dirac delta function, a generalized mathematical function
• Gabriel Andrew Dirac (1925–1984), graph theorist, Paul Dirac's stepson
• Dirak, former name of the town Karnut, Armenia
• Fermi–Dirac (disambiguation)