%0 Journal Article %1 val06 %A Valla, T. %A Fedorov, A. V. %A Lee, Jinho %A Davis, J. C. %A Gu, G. D. %D 2006 %J Science %K high-tc, theory %N 5807 %P 1914--1916 %R 10.1126/science.1134742 %T The Ground State of the Pseudogap in Cuprate Superconductors %U http://dx.doi.org/10.1126/science.1134742 %V 314 %X We present studies of the electronic structure of La2-xBaxCuO4, a system where the superconductivity is strongly suppressed as static spin and charge orders or "stripes" develop near the doping level of x = 1/8. Using angle-resolved photoemission and scanning tunneling microscopy, we detect an energy gap at the Fermi surface with magnitude consistent with d-wave symmetry and with linear density of states, vanishing only at four nodal points, even when superconductivity disappears at x = 1/8. Thus, the nonsuperconducting, striped state at x = 1/8 is consistent with a phase-incoherent d-wave superconductor whose Cooper pairs form spin-charge-ordered structures instead of becoming superconducting. 10.1126/science.1134742

@article{val06, abstract = {We present studies of the electronic structure of La2-xBaxCuO4, a system where the superconductivity is strongly suppressed as static spin and charge orders or "stripes" develop near the doping level of x = [1/8]. Using angle-resolved photoemission and scanning tunneling microscopy, we detect an energy gap at the Fermi surface with magnitude consistent with d-wave symmetry and with linear density of states, vanishing only at four nodal points, even when superconductivity disappears at x = [1/8]. Thus, the nonsuperconducting, striped state at x = [1/8] is consistent with a phase-incoherent d-wave superconductor whose Cooper pairs form spin-charge-ordered structures instead of becoming superconducting. 10.1126/science.1134742}, added-at = {2008-06-25T19:30:29.000+0200}, author = {Valla, T. and Fedorov, A. V. and Lee, Jinho and Davis, J. C. and Gu, G. D.}, biburl = {https://www.bibsonomy.org/bibtex/2e4d0019ce5ac39d15ee65fa686547a40/jgl}, citeulike-article-id = {2700540}, doi = {10.1126/science.1134742}, interhash = {a57f3f458ffc99286eb93487e86c70c9}, intrahash = {e4d0019ce5ac39d15ee65fa686547a40}, journal = {Science}, keywords = {high-tc, theory}, month = {December}, number = 5807, pages = {1914--1916}, posted-at = {2008-04-22 12:09:56}, priority = {2}, timestamp = {2008-06-25T19:31:19.000+0200}, title = {The Ground State of the Pseudogap in Cuprate Superconductors}, url = {http://dx.doi.org/10.1126/science.1134742}, volume = 314, year = 2006 }