E Berg, Eduardo Fradkin, Eun-Ah Kim, Steven A Kivelson, Vadim Oganesyan, John M Tranquada, Shoucheng ZhangPhys. Rev. Lett. 99, 127003. DOI: http://dx.doi.org/10.1103/PhysRevLett.99.127003. Wednesday, September 19, 2007 Phys. Rev. Lett 2007 Berg.pdfResearch Area: High Tc superconductivity