Discussion:
Yale physicists find signs of a time crystal
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Brooke Clarke
2018-05-03 19:09:29 UTC
Permalink
Hi:

The actual Yale papers are behind a paywall.
https://news.yale.edu/2018/05/02/yale-physicists-find-signs-time-crystal
"Time crystals, first identified in 2016, are different. Their atoms spin periodically, first in one direction and then
in another, as a pulsating force is used to flip them. That’s the “ticking.” In addition, the ticking in a time crystal
is locked at a particular frequency, even when the pulse flips are imperfect."

But here is some public stuff:
https://en.wikipedia.org/wiki/Time_crystal

Observation of a Discrete Time Crystal
https://arxiv.org/pdf/1609.08684v1.pdf
"However, nonequilibrium Floquet systems subject to a periodic drive can exhibit persistent time-correlations at an
emergent sub-harmonic frequency7–10. This new phase of matter has been dubbed a “discrete time crystal” (DTC)10,11.
Here, we present the first experimental observation of a discrete time crystal, in an interacting spin chain of trapped
atomic ions.
--
Have Fun,

Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html

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