Electrically contacting two‐dimensional (2D) materials is an inevitable process in the
fabrication of devices for both the study of fundamental nanoscale charge transport physics …

The old question of" How long does it take to tunnel through a barrier?" has acquired new
urgency with the advent of techniques for the fabrication of semiconductor structures in the …

Tunnelling is one of the most characteristic phenomena of quantum physics, underlying
processes such as photosynthesis and nuclear fusion, as well as devices ranging from …

Over sixty years ago, it was suggested that there is a time associated with the passage of a
particle under a tunneling barrier. The existence of such a time is now well accepted; in fact …

The question of how long it takes a particle to tunnel through a potential barrier has been a
subject of intense theoretical debate for the last 80 years. In this decade of attosecond …

The issue of tunneling time is replete with controversy and paradoxes. The controversy
stems from the fact that many tunneling time definitions seem to predict superluminal …

In this paper we critically review and analyse the main theoretical definitions and
calculations of the sub-barrier tunnelling and reflection times. Moreover, we propose a new …

Publisher Summary Measurements of tunneling times by photons possess certain
advantages over those by electrons or other particles, stemming from the fact that the …

We investigate experimentally the optical tunneling times associated with frustrated total
internal reflection of a light beam. Using as physical clocks the lateral shifts and angular …

In this review, we will focus on the theoretical aspects in observing and controlling the
electronic dynamics in few-electron atoms and molecules by attosecond pulses in different …