[time-nuts] new Al atomic clock publication
Magnus Danielson
magnus at rubidium.dyndns.org
Sat Feb 6 14:49:37 UTC 2010
Chris Caudle wrote:
> No discussion on the new Al based atomic clock paper from NIST?
>
> http://arxiv.org/PS_cache/arxiv/pdf/0911/0911.4527v2.pdf
>
> "Here we describe an Al+ ion clock with an inaccuracy of 8.6×10−18."
>
> Doesn't get more nutty than that.
>
Not matching any of my counters all that well... 1,121 PHz with about 8
mHz of line-width. No wonder they had an elaborate mix-down setup just
to compare the clocks.
Cheers,
Magnus
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