DIFFICULTY OF BOUND STATE PROBLEMS IN RELATIVISTIC QUANTUM FIELD THEORY
Keyword(s):
In the previous paper, it has been pointed out that, for any model with real bound state in relativistic quantum field theory, Feynman rules do not give the physical amplitude in which the effects of real bound state are considered. By investigating this fact, it is found that an important guiding principle indispensable to discuss real bound state problems is unknown. The way to investigate this principle is not within the framework of relativistic quantum field theory.
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Vol 12
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pp. 2399-2406
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1961 ◽
Vol 25
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pp. 803-821
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1972 ◽
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pp. 62-72
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pp. 781-788
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Vol 69
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pp. 133-161
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