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cond-mat1997★ 27 cited
First and Second Sound Modes of a Bose-Einstein Condensate in a Harmonic Trap
V. B. Shenoy, Tin-Lun Ho
We have calculated the first and second sound modes of a dilute interacting Bose gas in a spherical trap for temperatures () and for systems with to …
cond-mat1996★ 75 cited
Local Spin-Gauge Symmetry of the Bose-Einstein Condensates in Atomic Gases
Tin-Lun Ho, V. B. Shenoy
The Bose-Einstein condensates of alkali atomic gases are spinor fields with local ``spin-gauge" symmetry. This symmetry is manifested by a superfluid velocity (or gau…