Three body asymptotic completeness forP(Φ)2 models

Three body asymptotic completeness forP(Φ)2 models
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P(Φ)2 模型的三体渐近完备性

DOI:
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发表时间:
1982
期刊:
影响因子:
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通讯作者:
F. Dunlop
F. Dunlop
中科院分区:
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文献类型:
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作者:
M. Combescure;F. Dunlop

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我们甚至考虑不具有二体束缚态的弱耦合 λP(Φ)2 模型,并证明质量在 3m+a(λ) 和 4m−b(λ) 之间的状态子空间上的渐近完整性,其中 a 和 b 是随 λ 趋于零的正函数。六点函数的解析结构对三个传入动量进行积分,仅显示与三个粒子过程相关的两个朗道奇异流形(加上正常阈值)。
We consider weakly coupled even λP(Φ)2 models that do not have a two-body bound state, and prove asymptotic completeness on the subspace of states with mass between 3m+a(λ) and 4m−b(λ), wherea andb are positive functions tending to zero with λ. The analytic structure of the six point function, integrated over the three incoming momenta, shows only two Landau singular manifolds (plus normal thresholds) associated to three particle processes.