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大型並列計算機を用いたQCDの閉じ込め機構の研究
https://doi.org/10.24517/00034829
https://doi.org/10.24517/000348292c616d43-cb84-45e4-8f64-014a385a9908
名前 / ファイル | ライセンス | アクション |
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SC-PR-SUZUKI-T-kaken 2001-21p.pdf (783.7 kB)
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Item type | 報告書 / Research Paper(1) | |||||
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公開日 | 2017-10-05 | |||||
タイトル | ||||||
タイトル | 大型並列計算機を用いたQCDの閉じ込め機構の研究 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Study of QCD confinement mechanism using large-scale parallel computers | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
ID登録 | ||||||
ID登録 | 10.24517/00034829 | |||||
ID登録タイプ | JaLC | |||||
著者別表示 |
Suzuki, Tsuneo
× Suzuki, Tsuneo |
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書誌情報 |
平成12(2000)年度 科学研究費補助金 基盤研究(B) 研究成果報告書 en : 2000 Fiscal Year Final Research Report 巻 1998-2000, p. 21p., 発行日 2001-03-01 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 研究目的と実施計画に沿って、高エネルギー研究所のSR8000共同利用計画及び理化学研究所のVPP700共同利用計画に採択され、以下の研究を実施した。 (1)pure SU(2)QCD:ほぼ連続極限とみなせる完全なmonopole actionを導いた。更に、完全演算子を構成し回転対称性を示した。また、格子上での厳密な変換を利用し、弦理論やDGL理論を導いた。(2)pure SU(3)QCD:拘束つきのmonopole current3本のeffective actionを決定した。またクォーク間の静的ポテンシャル、string tension、glueball massの値を計算した。(3)Gauge(in)dependence of abelian dominance:2種類のblockspin変換といくつかのゲージ固定の場合で調べた。(4)3次元Georgi-Glashow model:lattice上で得られるmonopole(instanton)actionがPolyakovのdilute-gas近似の作用を再現していることを確かめた。(5)DGL理論のsimulations:Abrikosov Vortexの周りのelectric field,monopoleの分布を測定し、QCDですでに測定されているデータとほぼ一致する結果を得た。(6)有限温度QCD:非等方格子で測定をし、monopole actionを調べた。空間方向と温度方向のmonopole actionが大きく違うことを発見した。(7)full QCD:ドイツのグループとの共同研究を始めた。真空をため、モノポール密度がpure SU(3)に比べて多くなることが分かった。 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The following results have been obtained mainly from Monte-Carlo simulation studies using SR8000 (VPP500) at KEK and VPP700 at RIKEN : (1)pure SU (2) QCD : Almost perfect monopole action in the continuum limit is obtained. Along with a perfect operator constructed, it leads us to the rotational invariance in the continuum limit. The action can be transformed exactly into a string theory and the dual Ginzburg-Landau theory on the lattice. (2) pure SU (3) QCD : Almost perfect monopole action for constained three monopole courrents is fixed. The static potential, the string tension and the glueball mass are evaluated. (3) Gauge (in) dependence of abelian dominance : Gauge independence of the monopole physics are studied using various block-spin transformations with various gauges. (4) 3d Georgi-Glashow model : lattice instanton action is fixed numerically for some range of parameters. It is shown to be compatible with the dilute-gas approximation of Polyakov's calculation. (5) Simulations of DGL theory : The electric-field flux distribution is measured in DGL theory numerically which looks similar to that of QCD.(6) T≠0 QCD : From the simulations on anisotropic lattice, space-space and time-time monopole actions are obtained. They are shown to be quite different in the high-temperature phase. (7) full QCD : Intertational collaboration with DESY and ITEP groups has begun. Preliminary data shows monopole density is much higer than that in the quenched case. |
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内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 研究課題/領域番号:10440073, 研究期間(年度):1998–2000 | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 出典:「大型並列計算機を用いたQCDの閉じ込め機構の研究」研究成果報告書 課題番号10440073 (KAKEN:科学研究費助成事業データベース(国立情報学研究所)) 本文データは著者版報告書より作成 |
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著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/search/?qm=60019502 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-10440073/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-10440073/104400732000kenkyu_seika_hokoku_gaiyo/ |