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 – Published 13 February 2018

Abstract

We investigate the ground-state phases of a mixture of spin-1 and spin-2 Bose-Einstein condensates at zero magnetic field. In addition to the intraspin interactions, two spin-dependent interaction coefficients are introduced to describe the interspin interaction. We systematically explore the wide parameter space, and obtain phase diagrams containing a rich variety of phases. For example, there exists a phase in which the spin-1 and spin-2 vectors are tilted relative to each other breaking the axial symmetry.

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  • Received 14 December 2017

DOI:https://doi.org/10.1103/PhysRevA.97.023622

©2018 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Naoki Irikura1, Yujiro Eto2, Takuya Hirano3, and Hiroki Saito1

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

See Also

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

Yujiro Eto, Hitoshi Shibayama, Hiroki Saito, and Takuya Hirano
Phys. Rev. A 97, 021602(R) (2018)

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Vol. 97, Iss. 2 — February 2018

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