Multipulse Phases in k-Mixtures of Bose–Einstein Condensates

By S. Terracini, Gianmaria Verzini. 2008

159 citations recorded by the source corpus.

AbstractFor the system $$-\Delta U_i+ U_i=U_i^3-\beta U_i\sum_{j\neq i}U_j^2,\quad i=1,\dots,k,$$(with k ≧ 3), we prove the existence for β large of positive radial solutions on $${\mathbb R^N}$$ . We show that as β →  + ∞, the profile of each component Ui separates, in many pulses, from the others. Moreover, we can prescribe the location of such pulses in terms of the oscillations of the changing-sign solutions of the scalar equation  − ΔW  +  W  =  W3. Within an Hartree–Fock approximation, this provides a theoretical indication of phase separation into many nodal domains for the k-mixtures of Bose–Einstein condensates.

Subfields: Applied Mathematics, Mathematical Physics

View Paper: https://www.semanticscholar.org/paper/2fcb63748fa1ba628f5ef9e366a2969fdcc26820

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In Applied Mathematics

  1. Nicola Soave
  2. Thomas Bartsch
  3. Gianmaria Verzini
  4. Hugo Tavares
  5. Benedetta Noris
  6. Tobias Weth
  7. Louis Jeanjean
  8. Wenming Zou

In Mathematical Physics

  1. Thomas Bartsch
  2. Nicola Soave
  3. Gianmaria Verzini
  4. Hugo Tavares
  5. Benedetta Noris
  6. Louis Jeanjean
  7. Wenming Zou
  8. Houwang Li

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