Probing picosecond depairing currents in type-II superconductors(nature.com)
5 points by PaulHoule | 2 comments
Open-access Nature Physics research article on measuring picosecond-scale depairing currents in type-II superconductors.
#superconductivity on Hacker News
12 stories tagged superconductivity, newest first.
CERN levels up with new superconducting karts(home.cern)
378 points by fnands | 85 comments
CERN news article dated 1 April 2026 announcing superconducting karts to be tested in the LHC tunnel ahead of major works, apparently an April Fools' piece.
Possible Meissner effect near room temperature: copper-substituted lead apatite(arxiv.org)
687 points by zaikunzhang | 287 comments
arXiv preprint reporting possible Meissner effect near room temperature in copper-substituted lead apatite (LK-99-type material), based on magnetization measurements.
Ferromagnetic half levitation of LK-99-like synthetic samples(arxiv.org)
317 points by platz | 276 comments
arXiv preprint reporting that LK-99-like samples show half levitation due to soft ferromagnetism, with no evidence of superconductivity.
Successful room temperature ambient-pressure magnetic levitation of LK-99(arxiv.org)
2308 points by spekcular | 1146 comments
arXiv preprint reporting synthesis of LK-99 crystals that show room-temperature, ambient-pressure magnetic levitation, replicating Sukbae Lee et al.'s claims.
Observation of zero resistance above 100 K in Pb₁₀₋ₓCuₓ(PO₄)₆O(arxiv.org)
734 points by segfaultbuserr | 348 comments
arXiv preprint reporting zero resistance above 100 K at ambient pressure in a synthesized polycrystalline sample of copper-doped lead apatite (LK-99).
Electronic Structure of LK-99(arxiv.org)
497 points by spekcular | 373 comments
arXiv preprint presenting DFT calculations of the electronic structure of the putative room-temperature superconductor LK-99 (Pb9Cu(PO4)6O), finding flat Cu bands at the Fermi level.
First claimed successful replication of LK-99(twitter.com)
551 points by b800h | 255 comments
A tweet by Andrew Cote reporting a claimed replication of the LK-99 superconductor by a Huazhong University team, explaining the levitation evidence and its caveats.
Room-Temperature Ambient-Pressure Superconductor LK-99 preprint revision 2(arxiv.org)
444 points by lnyan | 268 comments
arXiv preprint (v2) by Lee et al. claiming LK-99, a copper-doped lead apatite, is a room-temperature ambient-pressure superconductor showing levitation.
Origin of correlated isolated flat bands in LK99(arxiv.org)
374 points by lawrenceyan | 181 comments
arXiv preprint by Sinéad Griffin using DFT to identify correlated isolated flat bands in copper-substituted lead phosphate apatite (LK-99).
Semiconducting Transport in LK99 reproduction attempt(arxiv.org)
576 points by spekcular | 240 comments
arXiv preprint reporting a synthesis of the LK-99 compound Pb10-xCux(PO4)6O that shows semiconducting rather than superconducting transport.
The first room-temperature ambient-pressure superconductor?(arxiv.org)
1400 points by Akronymus | 770 comments
arXiv preprint by Lee, Kim, and Kwon claiming LK-99, a modified lead-apatite, is a room-temperature, ambient-pressure superconductor.