Beliaev damping and Kelvin mode spectroscopy of a Bose-Einstein condensate in the presence of a vortex line

T. Mizushima, M. Ichioka, K. Machida

Research output: Contribution to journalArticlepeer-review

46 Citations (Scopus)

Abstract

The Kelvin mode as a propagation wave along a vortex line was excited via Beliaev decay processes for the counter-rotating quadrupole mode. These decay channels provided a novel spectroscopic method for low-lying Bosonic excitations in a vortex, in particular, the unexplored Kelvin mode.

Original languageEnglish
Article number180401
Pages (from-to)180401/1-180401/4
JournalPhysical Review Letters
Volume90
Issue number18
Publication statusPublished - May 9 2003

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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