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Controlled information transfer in continuous-time chiral quantum walks
https://oist.repo.nii.ac.jp/records/2236
https://oist.repo.nii.ac.jp/records/22369b186c72-dbdf-42b0-a9da-f6c4fdac431c
名前 / ファイル | ライセンス | アクション |
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Khalique-2021-Controlled-information-transfer- (2.7 MB)
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CC BY 4.0
Creative Commons Attribution 4.0 International (https://creativecommons.org/licenses/by/4.0/) |
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-09-07 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Controlled information transfer in continuous-time chiral quantum walks | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | quantum walk | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | quantum transport | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | directed quantum transport | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | non-Markovian quantum process | |||||
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) |
Khalique, A
× Khalique, A× Sett, A× Wang, J B× Twamley, J |
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書誌情報 |
en : New Journal of Physics 巻 23, 号 083005, 発行日 2021-08-04 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | In this paper we investigate properties of continuous time chiral quantum walks, which possess complex valued edge weights in the underlying graph structure, together with an initial Gaussian wavefunction spread over a number of vertices. We demonstrate that, for certain graph topology and phase matching conditions, we are able to direct the flow of probability amplitudes in a specific direction inside the graph network. We design a quantum walk graph analogue of an optical circulator which is a combination of a cycle and semi-infinite chain graphs. Excitations input into the circulator from a semi-infinite chain are routed in a directionally biased fashion to output to a different semi-infinite chain. We examine in detail a two port circulator graph which spatially separates excitations flowing back in forth between the two semi-finite chains to directionally occupy the top or bottom half of the cycle portion of the circulator. This setup can be used, for example, to detect non-Markovian processes, which leads to information and energy back-flow from the bath back into the system. | |||||
出版者 | ||||||
出版者 | IOP Publishing Ltd on behalf of the Institute of Physics and Deutsche Physikalische Gesellschaft | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1367-2630 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1088/1367-2630/ac1551 | |||||
権利 | ||||||
権利情報 | © 2021 The Author(s) | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://iopscience.iop.org/article/10.1088/1367-2630/ac1551/meta | |||||
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 |