Hannover 2016 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 35: Attosecond physics

A 35.3: Vortrag

Donnerstag, 3. März 2016, 15:30–15:45, f107

Tunneling time in attosecond experiments and time-energy uncertainty relation — •Ossama Kullie — Theoretical physics, institute for physics, university of Kassel, Germany.

In this work [1] we present a theoretical model of the tunneling time and the tunneling process in attosecond and strong field experiments, leading to a relation which performs an excellent estimation for the tunneling time, where we address the important case of the He-atom [2]. Our tunneling time estimation is found by utilizing the time-energy uncertainty relation and represents a quantum clock. The tunneling time is also featured as the time of passage similar to the Einstein’s photon box Gedanken experiment (EPGE), and our model can be seen as a realization of the EPGE with the electron as a particle in a disturbed Coulomb potential (instead the photon and the gravitational potential in the EPGE). Our work tackles an important case study for the theory of time in quantum mechanics, and is very promising for the search for a (general) time operator in quantum mechanics. [1] O. Kullie, Phys. Rev. A, (2015) accepted. arXiv:1505.03400v2. [2] Eckle et al. Science. 322, 1525 (2008).