Dirac sea


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Dirac sea

n.
In relativistic quantum mechanics, the completely filled, negative-energy electron state that makes up a vacuum. If a negative-energy electron transitions to a positive-energy state, the resulting hole has the properties of a positron.

[After Paul Adrien Maurice Dirac.]
References in periodicals archive ?
One side of the board - called the Dirac Sea - is yin, the other yan.