TY - JOUR PB - American Physical Society ID - 10.1103/Physics.3.64 TI - Led by the nodes JF - Physics JA - Physics J1 - PHYSICS VL - 3 IS - SP - 64 EP - PY - 2010/08/02/ UR - http://link.aps.org/doi/10.1103/Physics.3.64 A1 - Hirschfeld, Peter J. AU - Scalapino, Douglas J. ER -