TY - JOUR PB - American Physical Society ID - 10.1103/Physics.2.90 TI - Tensor networks—a new tool for old problems JF - Physics JA - Physics J1 - PHYSICS VL - 2 IS - SP - 90 EP - PY - 2009/10/26/ UR - http://link.aps.org/doi/10.1103/Physics.2.90 A1 - Sachdev, Subir ER -