Title :
High sensitivity phonon spectroscopy of bose-einstein condensates using matter-wave interference
Author :
Katz, Nadav ; Ozeri, Roee ; Davidson, Nir ; Tozzo, Cesare ; Dalfovo, Franco
Author_Institution :
Dept. of Phys. of Complex Syst., Weizmann Inst. of Sci.
Abstract :
We observe in time-of-flight images a matter-wave fringe pattern for low momentum excitations. The contrast of these fringes is a sensitive spectroscopic probe explained by a Bogoliubov excitation projection and approaches the quantized excitation regime
Keywords :
Bose-Einstein condensation; quantum optics; Bogoliubov excitation projection; Bose-Einstein condensates; low momentum excitations; matter-wave interference; phonon spectroscopy; quantized excitation regime; time-of-flight images;
Conference_Titel :
Quantum Electronics Conference, 2004. (IQEC). International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-778-4