TY - CONF AU - Bratschitsch, R AU - Chen, Z AU - Cundiff, Steven AU - Lau, W AU - Flatte, Michael C2 - Quantum Electronics and Laser Science Conference , Baltimore, MD, USA DA - 2003-01-01 00:01:00 LA - en PB - Quantum Electronics and Laser Science Conference , Baltimore, MD, USA PY - 2003 TI - Ultrafast many-body spin interactions in highly excited undoped and n-doped bulk GaAs ER -