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adiabatic approximation

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adiabatic approximation

[¦ad·ē·ə¦bad·ik ə‚präk·sə′mā·shən]
(astrophysics)
The approximation that the pressure and density of gas in a star are related by the adiabatic law.
(physical chemistry)
Born-Oppenheimer approximation
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
This not only simplified numerical calculation for integration of classical trajectory in molecular Hamiltonian but also avoided searching complicated form of kinetic operators in internal coordinates.
Constraint trajectory surface-hopping molecular dynamics simulation of the photoisomerization of stilbene
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