## [Exotic superconductivity](http://mercury.yukawa.kyoto-u.ac.jp/~bussei.kenkyu/pdf/01/1/0001-011201.pdf#page=154)

- [cuprates - mid-infrared scenario](https://mercury.yukawa.kyoto-u.ac.jp/~bussei.kenkyu/pdf/01/1/0001-011201.pdf#page=147)

## ubiquity of SC

compare with ubiquity of low-energy excitations in glasses+SNSs

## low-T glasses

## Superfluidity and superconductivity - general

2011 [Leggett's bound for amorphous solids](https://arxiv.org/abs/1011.2863) Giulio Biroli