casparvitch 5 hours ago

Always cool to see stuff from your niche field on hn. Note: this measurement is done at cryogenic temperatures, although somewhat similar molecular spin work (from ~same group [1]) works at ambient.

[1]: https://doi.org/10.1038/s41586-025-09417-w

  • chasil 4 hours ago

    Firstly, bravo on your field's publication.

    Secondly, condolences for Ryan Murphy for all involved.

    Can these erbium qubits be entangled over fiber, controlled by a quantum processor?

    • casparvitch 3 hours ago

      I mean I guess that's the pitch - lots of stuff not yet demonstrated though

mrbluecoat 2 hours ago

I really thought they were making up the name 'erbium'. I've been away from a periodic table too long..

  • flowerthoughts an hour ago

    Ytterbium, Yttrium, Terbium, and Erbium were all named after a village in Sweden that had a mine: Ytterby

    We are happy that Rbium didn't become the next name of choice.

    https://en.wikipedia.org/wiki/Ytterby

    The mine closed down long ago. Today, it's a relatively expensive location for villas.