External Josephson effect in Bose-Einstein condensates with a spin degree of freedom

Sahel Ashhab, Carlos Lobo

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Abstract

The Josephson effect between two spatially separated Bose-Einstein condensates of atoms each of which can be in two hyperfine states was discussed. Equations of motion were derived for this system which were analogues to the Bloch equations. The dynamics of the system was mapped onto those of a classical particle in a well. The density and spin modes of oscillation, and stable equilibrium points of the motion that were unstable in the spinless case were calculated.

Original languageEnglish
Pages (from-to)136091-1360910
Number of pages1224820
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume66
Issue number1
Publication statusPublished - 1 Jul 2002
Externally publishedYes

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ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Atomic and Molecular Physics, and Optics

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