Dictionary

Dirac equation

Equation regulating the behaviour of relativistic quantum particles that have a spin of 1/2, for instance electrons. It was first formulated by Paul Dirac in 1928 and led directly to his successful prediction of the existence of the first species of anti-particle, the positron.

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Einstein Online is a web portal with comprehensible information on Einstein's theories of relativity and their most exciting applications from the smallest particles to cosmology.

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Max Planck Institute for Gravitational Physics
(Albert-Einstein-Institut)

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Glossary

More than 400 entries from "absolute zero" to "XMM Newton" - whenever you see this type of link on an Einstein Online page, it'll take you to an entry in our relativistic dictionary.

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