TY - JOUR AU - B. Esry AU - Chris Greene BT - Physical Review A DA - Jan-02-1998 DO - 10.1103/PhysRevA.57.1265 PY - 1998 SP - 1265 EP - 1271 T2 - Physical Review A TI - Low-lying excitations of double Bose-Einstein condensates VL - 57 SN - 1050-2947 ER -