TY - RPRT TI - High sensitivity phonon spectroscopy of Bose-Einstein condensates using matter-wave interference. AU - N Katz AU - R Ozeri AU - J Steinhauer AU - N Davidson AU - C Tozzo AU - F Dalfovo PY - 2004 DO - 10.1103/physrevlett.93.220403 UR - https://pubmed.ncbi.nlm.nih.gov/15601071/ ID - 15601071 ER -