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  1. 数理物質系 (Faculty of Pure and Applied Sciences)
  2. 都倉 康弘 (Tokura Yasuhiro)
  1. コンテンツタイプ (Contents Type)
  2. 雑誌発表論文等 (Journal article, etc.)
  3. P~
  4. Physical review A

Spintum walks-1 quan

http://hdl.handle.net/2241/00143451
17a35ef8-197b-4c5f-9f2b-9d1049b55433
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PRA_93-6.pdf PRA_93-6 (1.1 MB)
item type Journal Article(1)
公開日 2016-08-01
タイトル
タイトル Spintum walks-1 quan
言語
言語 eng
資源タイプ
タイプ journal article
著者 Morita, Daichi

× Morita, Daichi

WEKO 140897

Morita, Daichi

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Kubo, Toshihiro

× Kubo, Toshihiro

WEKO 140898

Kubo, Toshihiro

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Tokura, Yasuhiro

× Tokura, Yasuhiro

WEKO 140899

Tokura, Yasuhiro

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Yamashita, Makoto

× Yamashita, Makoto

WEKO 140900

Yamashita, Makoto

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著者別名 都倉, 康弘

× 都倉, 康弘

WEKO 124638
e-Rad 20393788
筑波大学研究者総覧 0000003219

都倉, 康弘

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抄録
内容記述 We study the quantum walks of two interacting spin-1 bosons. We derive an exact solution for the time-dependent wave function, which describes the two-particle dynamics governed by the one-dimensional spin-1 Bose-Hubbard model. We show that propagation dynamics in real space and mixing dynamics in spin space are correlated via the spin-dependent interaction in this system. The spin-mixing dynamics has two characteristic frequencies in the limit of large spin-dependent interactions. One of the characteristic frequencies is determined by the energy difference between two bound states, and the other frequency relates to the cotunneling process of a pair of spin-1 bosons. Furthermore, we numerically analyze the growth of the spin correlations in quantum walks. We find that long-range spin correlations emerge showing a clear dependence on the sign of the spin-dependent interaction and the initial state.
書誌情報 Physical review A

巻 93, 号 6, p. 063625, 発行日 2016-06
ISSN
収録物識別子 2469-9926
書誌レコードID
収録物識別子 AA10764867
DOI
関連識別子
関連識別子 10.1103/PhysRevA.93.063625
権利
権利情報 ©2016 American Physical Society
著者版フラグ
値 publisher
出版者
出版者 American Physical Society
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