Rectified momentum transport for a kicked Bose-Einstein condensate

Mark Sadgrove, Munekazu Horikoshi, Tetsuo Sekimura, Ken'ichi Nakagawa

Research output: Contribution to journalArticlepeer-review

86 Citations (Scopus)

Abstract

We report the experimental observation of rectified momentum transport for a Bose-Einstein condensate kicked at the Talbot time (quantum resonance) by an optical standing wave. Atoms are initially prepared in a superposition of the 0 and -2 kl momentum states using an optical π/2 pulse. By changing the relative phase of the superposed states, a momentum current in either direction along the standing wave may be produced. We offer an interpretation based on matter-wave interference, showing that the observed effect is uniquely quantum.

Original languageEnglish
Article number043002
JournalPhysical review letters
Volume99
Issue number4
DOIs
Publication statusPublished - 2007 Jul 25

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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