Segregated nodal domains of two-dimensional multispecies Bose-Einstein condensates

Shu-Ming Chang, Chang Shou Lin, Tai Chia Lin, Wen-Wei Lin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

123 Scopus citations

Abstract

In this paper, we study the distribution of m segregated nodal domains of the m-mixture of Bose-Einstein condensates under positive and large repulsive scattering lengths. It is shown that components of positive bound states may repel each other and form segregated nodal domains as the repulsive scattering lengths go to infinity. Efficient numerical schemes are created to confirm our theoretical results and discover a new phenomenon called verticillate multiplying, i.e., the generation of multiple verticillate structures. In addition, our proposed Gauss-Seidel-type iteration method is very effective in that it converges linearly in 10-20 steps.

Original languageEnglish
Pages (from-to)341-361
Number of pages21
JournalPhysica D: Nonlinear Phenomena
Volume196
Issue number3-4
DOIs
StatePublished - 15 Sep 2004

Keywords

  • Bose-Einstein condensates
  • Gauss-Seidel-type iteration
  • Nodal domains

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