[ExI] Quantum Tunneling

Giulio Prisco giulio at gmail.com
Wed Mar 20 17:57:27 UTC 2019

Very interesting. Open arXiv version of the paper here:

On Wed, Mar 20, 2019 at 5:33 PM John Clark <johnkclark at gmail.com> wrote:

> A new upper bound on the time it takes for an electron to get through a
> barrier by Quantum Tunneling has been found. They found it takes less than 1.8
> attoseconds, perhaps 1.8 attoseconds less. They say their experimental
> results are "in agreement with recent theoretical findings" and "present
> a compelling argument for instantaneous tunnelling".  One attosecond is
> to a second as one second is to 32 years.
> Tunnelling time in atomic hydrogen
> <https://www.nature.com/articles/s41586-019-1028-3>
> John K Clark
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