TY - JOUR AU - B. DeMarco AU - Deborah Jin BT - Physical Review Letters DA - 1/2002 DO - 10.1103/PhysRevLett.88.040405 PY - 2002 T2 - Physical Review Letters TI - Spin Excitations in a Fermi Gas of Atoms VL - 88 SN - 0031-9007 ER -