Klein paradox
（ plural ）
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(quantum mechanics) A surprising result of applying the Dirac equation to the problem of electron scattering from a potential barrier. In non-relativistic quantum mechanics, electron tunnelling into a barrier is observed, with exponential damping. However, if the potential is of the order of the electron mass, V∼mc², the barrier is nearly transparent; moreover, as the potential approaches infinity, the reflection diminishes and the electron is always transmitted.
Klein paradox
During the seminar, the professor explained the Klein paradox and how a potential comparable to the electron's rest energy can make the barrier almost transparent.
During the seminar, the professor explained the Klein paradox and how a potential comparable to the electron's rest energy can make the barrier almost transparent.
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