[ExI] Quantum Tunneling
johnkclark at gmail.com
Wed Mar 20 16:29:07 UTC 2019
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
John K Clark
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