Non-Orthogonality Problem in Continuum RPA Studied by Orthogonality Condition : Nuclear Physics

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概要

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• In analyses of highly excited states, the technique of the continuum RPA (CRPA) is often used. As a way of taking the effects of spreading width into account, a complex potential is sometimes used for particle states. This procedure makes a single particle potential for particles and that for holes different from each other. For such a case, the orthogonality between particle and hole states is violated. To remedy the defect, a continuum RPA with orthogonality condition (OCRPA) has been proposed. Here careful consideration is paid for this method. We study the necessity of the orthogonality condition by comparing CRPA and OCRPA calculations of response functions. It is found that the condition plays a very important role in the resonance region but less important in the quasifree scattering region.

• 理論物理学刊行会の論文
• 1991-04-25

著者

• 市村 宗武

  法政大情報科学

• Ichimura Munetake

  Institute Of Physics College Of Arts And Sciences University Of Tokyo

• KAWAHIGASHI Ken

  Department of Information Sciences, Faculty of Science Kanagawa University

• Kawahigashi Ken

  Department Of Information Sciences Faculty Of Science Kanagawa University

• ICHIMURA Munetake

  Institute of Physics, Graduate School of Arts and Sciences University of Tokyo : Research Center of Ion Beam Technology, Hosei University

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