Transmission and Reflection of Collective Modes in Spin-1 Bose-Einstein Condensate

Details Transmission and Reflection of Collective Modes in Spin-1 Bose-Einstein Condensate Transmission and Reflection of Collective Modes in Spin-1 Bose-Einstein Condensate

2009-09-14

arxiv.org/abs/0909.2478v1

JLTP, Volume 158, Numbers 1-2, 23-28 (2010)

Physics

Condensed Matter

Quantum Gases

6 pages, 5 figures

Scientific paper

10.1007/s10909-009-9974-z

We study tunneling properties of collective excitations in spin-1 Bose-Einstein condensates. In the absence of magnetic fields, the total transmission in the long wavelength limit occurs in all kinds of excitations but the quadrupolar spin mode in the ferromagnetic state. The quadrupolar spin mode alone shows the total reflection. A difference between those excitations comes from whether the wavefunction of an excitation corresponds to that of the condensate in the long wavelength limit. The correspondence results in the total transmission as in the spinless BEC.

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