Xu, CenkeSachdev, Subir2013-10-222008Xu, Cenke and Subir Sachdev. 2008. The new iron age. Nature Physics 4, no. 12: 898-900.1745-2473http://nrs.harvard.edu/urn-3:HUL.InstRepos:11190321The discovery of a new class of high-temperature superconductors based on iron tests the limits of current theoretical and computational tools for the understanding of strongly correlated systems.en-USJournal Article2013-07-05Cenke Xu and Subir Sachdev2013-10-2210.1038/nphys1137