On the Existence of Poles in the Unphysical Sheet

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概要

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• It is proved that in the unstable Lee model the unstable particle propagator must have poles in the second Riemann sheet. The same holds in the Chew-Low static pion theory if we neglect the contributions from the inelastic processes. The (3/2, 3/2) resonance state is introduced as poles in the second sheet and it is shown that the introduction of these poles is not sufficient to make the theory consistent, though it removes a considerable amount of discrepancies between the theory with no pole and experiment. Two alternative interpretations of this result are presented and discussed.

• 理論物理学刊行会の論文
• 1963-03-25

著者

• Osawa Takeo

  Department Of Physics Tokyo University Of Education

• ARAMAKI Seiya

  Institute for Theoretical Physics, Nagoya University

• Aramaki Seiya

  Institute For Theoretical Physics Nagoya University

関連論文

• The Scattering Matrix Method in the Linear Chain
• Effect of Impurity Configurations on Critical Temperature of Rectangular Ising System
• Effect of Random Impurities on Second Order Phase Transition
• Impurity Problem in the Ising Model
• On the Existence of Poles in the Unphysical Sheet
• Critical Properties of Ising Models Containing Dilute Impurities. II
• Perturbational Approach to the Two-Dimensional Next Nearest Neighbor Ising Problem

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