Aside

Unconventional Superconductivity

Crystal structure of the cuprate Bi2212

Crystal structure of the cuprate Bi2212

M. R. Norman
A brief review of unconventional superconductivity is given, stretching from the halcyon days of helium-3 to the modern world of Majorana fermions. Along the way, we will encounter such strange beasts as heavy fermion superconductors, cuprates, and their iron-based cousins. Emphasis will be put on the fact that in almost all cases, an accepted microscopic theory has yet to emerge. This is attributed to the difficulty of constructing a theory of superconductivity outside the Migdal-Eliashberg framework…
…Read more at http://arxiv.org/pdf/1302.3176v2.pdf

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