TY - RPRT TI - Bilayer quantum hall systems at filling factor nu = 2: An exact diagonalization study AU - J Schliemann AU - AH MacDonald PY - 2000 DO - 10.1103/physrevlett.84.4437 UR - https://pubmed.ncbi.nlm.nih.gov/10990705/ ID - 10990705 ER -