Fradkin, EduardoLiu, W. Vincent2004-12-102004-12-1020012001http://hdl.handle.net/2003/1850710.17877/DE290R-16162enThe American Physical SocietyPhysical Review Letters530Antiferromagnetic Spin Ladders Effectively Coupled by One-Dimensional Electron Liquids10.1103/PhysRevLett.86.1865article (journal)