TY - JOUR PB - American Physical Society ID - 10.1103/Physics.4.81 TI - Few and Far Between JF - Physics JA - Physics J1 - PHYSICS VL - 4 IS - SP - 81 EP - PY - 2011/10/17/ UR - http://link.aps.org/doi/10.1103/Physics.4.81 A1 - Sinha, Sitabhra ER -