Excitation spectrum of a two-component Bose-Einstein condensate in a ring potential

Details Excitation spectrum of a two-component Bose-Einstein condensate in a ring potential Excitation spectrum of a two-component Bose-Einstein condensate in a ring potential

2012-03-09

arxiv.org/abs/1203.2020v1

Physics

Condensed Matter

Quantum Gases

4 pages, 1 figure

Scientific paper

A mixture of two distinguishable Bose-Einstein condensates confined in a ring potential has numerous interesting properties under rotational and solitary-wave excitation. The lowest-energy states for a fixed angular momentum coincide with a family of solitary-wave solutions. In the limit of weak interactions, exact diagonalization of the many-body Hamiltonian is possible and permits evaluation of the complete excitation spectrum of the system.

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