Experimental evidence for quantum tunneling time

N. Camus, E. Yakaboylu, L. Fechner, M. Klaiber, M. Laux, Y. Mi, K.Z. Hatsagortsyan, T. Pfeifer, C.H. Keitel, R. Moshammer, Physical Review Letters 119 (2017) 023201.


Journal Article | Published | English
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Abstract
The first hundred attoseconds of the electron dynamics during strong field tunneling ionization are investigated. We quantify theoretically how the electron’s classical trajectories in the continuum emerge from the tunneling process and test the results with those achieved in parallel from attoclock measurements. An especially high sensitivity on the tunneling barrier is accomplished here by comparing the momentum distributions of two atomic species of slightly deviating atomic potentials (argon and krypton) being ionized under absolutely identical conditions with near-infrared laser pulses (1300 nm). The agreement between experiment and theory provides clear evidence for a nonzero tunneling time delay and a nonvanishing longitudinal momentum of the electron at the “tunnel exit.”
Publishing Year
Date Published
2017-07-14
Journal Title
Physical Review Letters
Volume
119
Issue
2
Article Number
023201
ISSN
eISSN
IST-REx-ID

Cite this

Camus N, Yakaboylu E, Fechner L, et al. Experimental evidence for quantum tunneling time. Physical Review Letters. 2017;119(2):023201. doi:10.1103/PhysRevLett.119.023201
Camus, N., Yakaboylu, E., Fechner, L., Klaiber, M., Laux, M., Mi, Y., … Moshammer, R. (2017). Experimental evidence for quantum tunneling time. Physical Review Letters, 119(2), 023201. https://doi.org/10.1103/PhysRevLett.119.023201
Camus, Nicolas, Enderalp Yakaboylu, Lutz Fechner, Michael Klaiber, Martin Laux, Yonghao Mi, Karen Z. Hatsagortsyan, Thomas Pfeifer, Christoph H. Keitel, and Robert Moshammer. “Experimental Evidence for Quantum Tunneling Time.” Physical Review Letters 119, no. 2 (2017): 023201. https://doi.org/10.1103/PhysRevLett.119.023201.
N. Camus et al., “Experimental evidence for quantum tunneling time,” Physical Review Letters, vol. 119, no. 2, p. 023201, 2017.
Camus N, Yakaboylu E, Fechner L, Klaiber M, Laux M, Mi Y, Hatsagortsyan KZ, Pfeifer T, Keitel CH, Moshammer R. 2017. Experimental evidence for quantum tunneling time. Physical Review Letters. 119(2), 023201.
Camus, Nicolas, et al. “Experimental Evidence for Quantum Tunneling Time.” Physical Review Letters, vol. 119, no. 2, American Physical Society, 2017, p. 023201, doi:10.1103/PhysRevLett.119.023201.

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