TY - JOUR PB - American Physical Society ID - 10.1103/Physics.4.58 TI - A long-distance quantum repeater gets one step closer JF - Physics JA - Physics J1 - PHYSICS VL - 4 IS - SP - 58 EP - PY - 2011/07/25/ UR - http://link.aps.org/doi/10.1103/Physics.4.58 A1 - Shahriar, Selim M. ER -