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Ground State of the Massless Nelson Model Without Infrared Cutoff in a Non-Fock Representation

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タイトル: Ground State of the Massless Nelson Model Without Infrared Cutoff in a Non-Fock Representation
著者: Arai, Asao 著作を一覧する
キーワード: Nelson's model
massless quantum field
infrared divergence
ground state
canonical commutation relations
non-Fock representation
発行日: 2001年 9月
出版者: World Scientific Publishing Company
誌名: Reviews in Mathematical Physics
巻: 13
号: 9
開始ページ: 1075
終了ページ: 1094
出版社 DOI: 10.1142/S0129055X01000934
抄録: We consider a model of quantum particles coupled to a massless quantum scalar field, called the massless Nelson model, in a non-Fock representation of the timezero fields which satisfy the canonical commutation relations. We show that the model has a ground state for all values of the coupling constant even in the case where no infrared cutoff is made. The non-Fock representation used is inequivalent to the Fock one if no infrared cutoff is made.
Rights: Electronic version of an article published as Reviews in Mathematical Physics, Vol. 13, Issue 9, 2001, pp. 1075-1094, DOI: 10.1142/S0129055X01000934 © World Scientific Publishing Company, http://www.worldscinet.com/rmp/rmp.shtml
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/38265
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 新井 朝雄

 

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