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Physical Review Letters
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Traversal time for tunneling

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Abstract

One of several contradictory existing results for the time a tunneling particle interacts with its barrier is confirmed, by considering tunneling through a time-modulated barrier. At low modulation frequencies the traversing particle sees a static barrier. At high frequencies the particle tunnels through the time-averaged potential, but can do it inelastically, losing or gaining modulation quanta. The transition between the two regimes yields dx[m2(V-E)]12 for the traversal time. © 1982 The American Physical Society.

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Physical Review Letters

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