@article{lee2006, title={Doping a Mott insulator: Physics of high-temperature superconductivity}, author={Patrick A. Lee and Naoto Nagaosa and Xiao-Gang Wen}, year={2006}, journal={Reviews of Modern Physics}, doi={10.1103/revmodphys.78.17}, url={https://doi.org/10.1103/revmodphys.78.17} }