China room temperature superconductor researcher Professor Yao Yao believes that the Original Korean team (Lee and Sukbae) took the wrong line of research by focusing too much on zero resistance and ignoring the magnetic phase. Yao yao believes that the CSU research group caught up with Lee’s team last November.
Professor Yao Yao believes that Lee's team took the wrong line of research by focusing too much on zero resistance and ignoring the magnetic phase, and he also believes that the CSU research group caught up with Lee's team last November pic.twitter.com/RUohfWmCMy
— peoplewar2 (@REDLFLAG) January 11, 2024
Professor Yao Yao said he had 100 samples of LK99-like materials. He also said Chinese LK99 researchers lacked sufficient funds and equipment to carry out sample testing. pic.twitter.com/SBoBpL9Mtu
— peoplewar2 (@REDLFLAG) January 11, 2024
Prof Yao Yao said the conductivity of the samples in the latest full levitation video is too good and the microwave absorption is super strong, which is similar to YBCO superconductors, and the resistance detection takes a while. pic.twitter.com/o3q4McKeOQ
— peoplewar2 (@REDLFLAG) January 26, 2024
Professor Yao Yao says the video shows the magnetic field locking/pinning phenomenon unique to superconductors. This video also makes their planned full levitation video unnecessary to release.They will make every effort to achieve zero resistance detection. pic.twitter.com/WZSohtGAxv
— peoplewar2 (@REDLFLAG) January 14, 2024
Yao Yao, a professor at the South China University of Technology, said the testing methods and equipment Lee demonstrated could not confirm zero resistance and that more advanced methods must be used! pic.twitter.com/bC6ZuqvAw4
— peoplewar2 (@REDLFLAG) January 9, 2024
Professor Yao Yao of South China University of Technology published an article stating that traditional resistance detection methods cannot confirm the zero resistance of LK99-type materials, and they are prepared to use three methods to detect the zero resistance. pic.twitter.com/RKb92GLMd1
— peoplewar2 (@REDLFLAG) January 10, 2024
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I am dubious about these claims. It’s important to critically evaluate such statements and consider the evidence before drawing conclusions. Without further evidence or corroborating sources, it’s challenging to ascertain the validity of Yao Yao’s assertions.
All these reports are that lk99 shows the expected side-effects of superconductivity, like microwave absorption and levitation, but the actual superconductivity is elusive. Doesn’t bode well.
Flux pinning is pretty strong indirect proof of superconductivity, though. The reason the flux is pinned is that the magnetic flux is excluded from the bulk of the superconductor, it gets pinched into “flux tubes” surrounded by circular persistent currents that exactly cancel the flux outside the tube.
Those tubes then get pinned to non-superconducting defects in the superconductor, because the ring current can’t cross the non-superconducting bits. (You would still get the tubes in a perfect superconductor, but they’d rapidly migrate towards the edge and dump the flux there without the defects to tie them down.)
You simply don’t see this behavior without zero conductivity. And defects, of course, to do the pinning.
It’s actually pretty impressive, if you’ve ever seen it, seeing a bit of superconductor locked in orientation to a magnet, just floating there in the air like there was some invisible rod connecting it to the magnet.