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  • seeing electron movement

    From Retrograde@21:1/5 to All on Wed Oct 12 18:49:02 2022
    From the «zippy» department:
    Feed: Latest Science News -- ScienceDaily
    Title: Seeing electron movement at fastest speed ever could help unlock next-level quantum computing
    Date: Wed, 12 Oct 2022 13:25:02 -0400
    Link: https://www.sciencedaily.com/releases/2022/10/221012132502.htm

    The key to maximizing traditional or quantum computing speeds lies in our ability to understand how electrons behave in solids, and researchers have now captured electron movement in attoseconds--the fastest speed yet.



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  • From Anthk@21:1/5 to Retrograde on Fri Oct 14 21:12:03 2022
    On 2022-10-12, Retrograde <[email protected]d> wrote:
    From the «zippy» department:
    Feed: Latest Science News -- ScienceDaily
    Title: Seeing electron movement at fastest speed ever could help unlock next-level quantum computing
    Date: Wed, 12 Oct 2022 13:25:02 -0400
    Link: https://www.sciencedaily.com/releases/2022/10/221012132502.htm

    The key to maximizing traditional or quantum computing speeds lies in our ability to understand how electrons behave in solids, and researchers have now
    captured electron movement in attoseconds--the fastest speed yet.




    How did they *measure* that?

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  • From JAB@21:1/5 to All on Sun Oct 16 09:35:55 2022
    On Fri, 14 Oct 2022 21:12:03 -0000 (UTC), Anthk <[email protected]>
    wrote:

    How did they *measure* that?

    In simplest terms....I believe they force electrons to travel within
    an orbital path(s) around the atom, then by adding more energy causes
    electrons to bump into next higher orbital path (or causes them to
    bump into existing orbital path). These "crashes" suggests the
    electrons have hit a magnetic field (orbital paths).



    U-M engineers and partners employ two light pulses with energy scales
    that match that of those movable semiconductor electrons. The first, a
    pulse of infrared light, puts the electrons into a state that allows
    them to travel through the material. The second, a lower-energy
    terahertz pulse, then forces those electrons into controlled head-on
    collision trajectories. The crashes produce bursts of light, the
    precise timing of which reveals interactions behind quantum
    information and exotic quantum materials alike.

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