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  1. 020 学位論文
  2. 高エネルギー加速器科学研究科
  3. 14 素粒子原子核専攻

Dynamics of Quantum Field Theories on Noncommutative Space-time

https://ir.soken.ac.jp/records/702
https://ir.soken.ac.jp/records/702
d8888b2c-e95d-4440-aec8-739473e9ae5f
名前 / ファイル ライセンス アクション
甲946_要旨.pdf 要旨・審査要旨 (230.8 kB)
甲946_本文.pdf 本文 (2.1 MB)
Item type 学位論文 / Thesis or Dissertation(1)
公開日 2010-02-22
タイトル
タイトル Dynamics of Quantum Field Theories on Noncommutative Space-time
タイトル
言語 en
タイトル Dynamics of Quantum Field Theories on Noncommutative Space-time
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_46ec
資源タイプ thesis
著者名 古永家, 忠之

× 古永家, 忠之

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古永家, 忠之

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フリガナ コナガヤ, タダユキ

× コナガヤ, タダユキ

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コナガヤ, タダユキ

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著者 KONAGAYA, Tadayuki

× KONAGAYA, Tadayuki

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en KONAGAYA, Tadayuki

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学位授与機関
学位授与機関名 総合研究大学院大学
学位名
学位名 博士(理学)
学位記番号
内容記述タイプ Other
内容記述 総研大甲第946号
研究科
値 高エネルギー加速器科学研究科
専攻
値 14 素粒子原子核専攻
学位授与年月日
学位授与年月日 2006-03-24
学位授与年度
2005
要旨
内容記述タイプ Other
内容記述 There are some peculiar phenomena in non-commutative field theories. One is<br />the planer limit that nonplaner diagrams arising from non-commutativity of space-<br />time disappear in the maximal non-commmutativity. We send the parameter <i>&theta;</i> which<br />presents the non-commutativity to &infin;. The other is the UV/IR mixing that ultra-<br />violet divergences in the commutative case change into infrared divergences due to<br />non-commutative parameter <i>&theta;</i>. Then, we study whether nonplaner diagrams disap-<br />pear,when we fix <i>&theta;</i> and take the external momentum <i>p</i> → &infin; limit instead. We<br />perform explicit two loop calculation to confirm the above limit by using perturbation<br />theory. And, we calculate the effective action of non-commutative gauge theories to see<br />infrared singular terms due to UV/IR mixing. We discuss the meaning of the terms<br />from the point of view of instability in the system.
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値 有
フォーマット
内容記述タイプ Other
内容記述 application/pdf
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