TY - JOUR T1 - Direct and spatially indirect excitons in GaAs/AlGaAs superlattices in strong magnetic fields JO - Physics of the Solid State PY - 1998/05/01 AU - Timofeev VB AU - Tartakovskii AI AU - Filin AI AU - Birkedal D AU - Hvam J ED - DO - DOI: 10.1134/1.1130446 PB - Pleiades Publishing Ltd VL - 40 IS - 5 SP - 767 EP - 769 Y2 - 2025/05/26 ER -