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Interaction-induced effects on Bose-Hubbard parameters
https://oist.repo.nii.ac.jp/records/364
https://oist.repo.nii.ac.jp/records/3649d0c4b80-418c-455d-84ec-009a0ec96f2c
名前 / ファイル | ライセンス | アクション |
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PhysRevA.96.063611 (256.6 kB)
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Creative Commons Attribution 4.0 International
(http://creativecommons.org/licenses/by/4.0/) |
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-04-12 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Interaction-induced effects on Bose-Hubbard parameters | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Kremer, Mark
× Kremer, Mark× Sachdeva, Rashi× Benseny, Albert× Busch, Thomas |
|||||
書誌情報 |
en : Physical Review A 巻 96, 号 6, p. 063611, 発行日 2017-12-08 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | We study the effects of repulsive on-site interactions on the broadening of the localized Wannier functions used for calculating the parameters to describe ultracold atoms in optical lattices. For this, we replace the common single-particle Wannier functions, which do not contain any information about the interactions, by two-particle Wannier functions obtained from an exact solution which takes the interactions into account. We then use these interaction-dependent basis functions to calculate the Bose-Hubbard model parameters, showing that they are substantially different both at low and high lattice depths from the ones calculated using single-particle Wannier functions. Our results suggest that density effects are not negligible for many parameter ranges and need to be taken into account in metrology experiments. | |||||
出版者 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2469-9926 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2469-9934 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevA.96.063611 | |||||
権利 | ||||||
権利情報 | © 2017 American Physical Society | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://link.aps.org/doi/10.1103/PhysRevA.96.063611 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |