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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Spin Hall effect in a spinor dipolar Bose-Einstein condensate

http://hdl.handle.net/2237/24902
http://hdl.handle.net/2237/24902
8d7f4a15-115a-474b-a77a-717b8bb5a75c
名前 / ファイル ライセンス アクション
PhysRevA_93_053605.pdf PhysRevA_93_053605.pdf (480.3 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2016-09-28
タイトル
タイトル Spin Hall effect in a spinor dipolar Bose-Einstein condensate
言語 en
著者 Oshima, T.

× Oshima, T.

WEKO 66947

en Oshima, T.

Search repository
Kawaguchi, Y.

× Kawaguchi, Y.

WEKO 66948

en Kawaguchi, Y.

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 ©2016 American Physical Society
抄録
内容記述 We theoretically show that the spin Hall effect arises in a Bose-Einstein condensate (BEC) of neutral atoms interacting via the magnetic dipole-dipole interactions (MDDIs). Since the MDDI couples the total spin angular momentum and the relative orbital angular momentum of two colliding atoms, it works as a spin-orbit coupling. Thus, when we prepare a BEC in a magnetic sublevel m=0, thermally and quantum-mechanically excited atoms in the m=1 and −1 states feel the Lorentz-like forces in the opposite directions. This is the origin for the emergence of the spin Hall effect. We define the mass-current and spin-current operators from the equations of continuity and calculate the spin Hall conductivity from the off-diagonal current-current correlation function within the Bogoliubov approximation. We find that the correction of the current operators due to the MDDI significantly contributes to the spin Hall conductivity. A possible experimental situation is also discussed.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 American Physical Society
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1103/PhysRevA.93.053605
ISSN
収録物識別子タイプ PISSN
収録物識別子 2469-9926
書誌情報 en : Physical Review A

巻 93, p. 053605-053605, 発行日 2016-05
著者版フラグ
値 publisher
URI
識別子 http://doi.org/10.1103/PhysRevA.93.053605
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/24902
識別子タイプ HDL
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