Bound States and Asymptotic Fields
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概要
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Scattering theory in the Lee model with a nonlocal, translation-invariant interaction is studied. Under a suitable condition on the interaction kernel, we prove that the asymptotic fields exist as strong limits of operators for all the physical particles present in the lowest sectors, including the dressed V-particle and the bound state B in the VΘ-NΘΘ sector. The condition used has some connection with the concept of nuclear operator. The commutation relations of these asymptoic fields among themselves, with other fields and with the Hamiltonian are derived. Existence of the bound state B is established for a certain class of Galilei-invariant kernels.
- 理論物理学刊行会の論文
- 1974-08-25
著者
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Kato Yusuke
Department Of Applied Biological Chemistry Graduate School Of Agricultural And Life Sciences Univers
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Kato Yusuke
Department Of Engineering Mathematics Utsunomiya University
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SEKINE Katsuhiko
Department of Physics, Meisei University
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Sekine Katsuhiko
Department Of Physics Meisei University
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KATO Yusuke
Department of Engineering Mathematics, Utsunomiya University
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