TY - JOUR AU - H. Ritsch AU - Peter Zoller AU - John Cooper BT - Physical Review A DA - Jan-03-1990 DO - 10.1103/PhysRevA.41.2653 PY - 1990 SP - 2653 EP - 2667 T2 - Physical Review A TI - Power spectra and variance of laser-noise-induced population fluctuations in two-level atoms VL - 41 SN - 1050-2947 ER -