Opposite of a superconductor This topic contains 2 replies, has 2 voices, and was last updated by hazra.3 8 months, 3 weeks ago. Author Posts October 25, 2018 at 3:01 pm #503 hazra.3Member This is an interesting old story with some possibly interesting new angles. broad overview here : https://www.nature.com/articles/452542a nice exptal work here (from 10 yrs back): https://www.nature.com/articles/nature06837 recent general spiel available here : http://www.physics.nyu.edu/events.html?EventsPage=cmp recent theory work here : https://arxiv.org/abs/1810.06862 October 25, 2018 at 4:26 pm #506 rowland.208Keymaster How is a superinsulator defined? Is it just zero conductance at finite temperature? December 5, 2018 at 5:27 pm #519 hazra.3Member In addition, I think there needs to evidence of a stiffness to number fluctuations, just as stiffness to phase fluctuations (Meissner effect) is essential for establishing superconductivity. Not sure what the best measurable signature is. Author Posts You must be logged in to reply to this topic.