conjugate variables

(redirected from Canonical conjugate variables)

conjugate variables

[′kän·jə·gət ′ver·ē·ə·bəlz]
(quantum mechanics)
A pair of physical variables describing a quantum-mechanical system such that their commutator is a nonzero constant; either of them, but not both, can be precisely specified at the same time. Also known as complementary variables.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The above equations show that the bar-conjugation is a necessary operation in the theory because the canonical conjugate variables can be obtained only by applying it to the original fields.
Nonequilibrium Dynamics of the [sigma]-Model Modes on the de Sitter Space

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