barrier penetration


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Related to barrier penetration: Quantum tunneling

barrier penetration

[′bar·ē·ər ‚pen·ə′trā·shən]
(quantum mechanics)
The passage of a particle through a potential barrier, that is, through a region of finite extent in which the particle's potential energy is greater than its total energy.
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References in periodicals archive ?
Blood-brain barrier penetration and pharmacokinetics of amitriptyline and its metabolites in p-glycoprotein (abcb1ab) knock-out mice and controls.
Carrier-mediated processes in blood--brain barrier penetration and neural uptake of paraquat.
He then describes path integrals within quantum mechanics, and follows with chapters on partition function and spectrum, classical and quantum statistical physics, path integrals and quantization, path integrals and holomorphic formalism, path integrals and formions, semi-classical approximation of barrier penetration, quantum evolution and scattering matrix, and path integrals in phase space.
B]T) and as a result there is significant barrier penetration by the wavefunction.