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Title: Statistical approach to tunneling time in attosecond experiments
Authors: Demir, Durmuş Ali
Güner, Tuğrul
Demir, Durmuş Ali
Güner, Tuğrul
Izmir Institute of Technology. Physics
Izmir Institute of Technology. Physics
Izmir Institute of Technology. Materials Science and Engineering
Keywords: Attosecond science
Quantum tunneling
Tunneling time
Issue Date: Nov-2017
Publisher: Academic Press Inc.
Source: Demir, D. A., and Güner, T. (2017). Statistical approach to tunneling time in attosecond experiments. Annals of Physics, 386, 291-304. doi:10.1016/j.aop.2017.09.009
Abstract: Tunneling, transport of particles through classically forbidden regions, is a pure quantum phenomenon. It governs numerous phenomena ranging from single-molecule electronics to donor–acceptor transition reactions. The main problem is the absence of a universal method to compute tunneling time. This problem has been attacked in various ways in the literature. Here, in the present work, we show that a statistical approach to the problem, motivated by the imaginary nature of time in the forbidden regions, lead to a novel tunneling time formula which is real and subluminal (in contrast to various known time definitions implying superluminal tunneling). In addition to this, we show explicitly that the entropic time formula is in good agreement with the tunneling time measurements in laser-driven He ionization. Moreover, it sets an accurate range for long-range electron transfer reactions. The entropic time formula is general enough to extend to the photon and phonon tunneling phenomena.
ISSN: 0003-4916
Appears in Collections:Materials Science and Engineering / Malzeme Bilimi ve Mühendisliği
Physics / Fizik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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