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Spinor dynamics in a mixture of spin-1 and spin-2 Bose-Einstein condensates

Yujiro Eto1, Hitoshi Shibayama2, Hiroki Saito3, and Takuya Hirano2

  • 1National Institute of Advanced Industrial Science and Technology (AIST), NMIJ, Tsukuba, Ibaraki 305-8568, Japan
  • 2Department of Physics, Gakushuin University, Toshima, Tokyo 171-8588, Japan
  • 3Department of Engineering Science, University of Electro-Communications, Chofu, Tokyo 182-8585, Japan

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Phys. Rev. A 97, 021602(R) – Published 13 February, 2018

DOI: https://doi.org/10.1103/PhysRevA.97.021602

Abstract

The spinor dynamics of Bose-Einstein condensates of Rb87 atoms with hyperfine spins of 1 and 2 are investigated. A mixture of spinor condensates is generated in the transversely polarized spin-1 and the longitudinally polarized spin-2 states using simultaneous Ramsey interferometry. In the subsequent dynamics, temporal modulation of spin-1 magnetization is observed in the spinor mixture due to the spin-dependent interaction with the spin-2 component. By comparison with numerical simulations based on the Gross-Pitaevskii equation, we find that the observed nonferromagnetic dynamics reflect the ground-state properties of the spinor mixture.

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Ground-state phases of a mixture of spin-1 and spin-2 Bose-Einstein condensates

Naoki Irikura, Yujiro Eto, Takuya Hirano, and Hiroki Saito
Phys. Rev. A 97, 023622 (2018)

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Phys. Rev. A 97, 021602(R)– Published 13 February, 2018
  • Received 9 July 2017
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