Abstract
A brief critical surveyis given of the main approaches to the tunneling time problem: when a particle has tunneled through a one-dimensional barrier, how long did it take to cross it? A new approach, based on Faddeev’s formulation of onedimensional scattering and on the evaluation of the average dwell time for an arbitrary wave packet, indicates that the problem is ill-posed. Furthermore, observations of apparent superluminal propagation do not violate causality.
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Nussenzweig, H. (2001). Time Delay and Tunneling. In: Orszag, M., Retamal, J.C. (eds) Modern Challenges in Quantum Optics. Lecture Notes in Physics, vol 575. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45409-8_15
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DOI: https://doi.org/10.1007/3-540-45409-8_15
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