Nelson模型的红外突变
Infrared Catastrophe for Nelson's Model
摘要:
本文从数学上研究了当内尔森模型的哈密顿量具有一般类的外势时的红外灾变。对于该模型,我们首先用算子理论证明了基态的拉通公式。基于这个公式,我们证明了任何基态的不存在和软玻色子总数的发散。
英文摘要:
We mathematically study the infrared catastrophe for the Hamiltonian of Nelson's model when it has the external potential in a general class. For the model, we prove the pull-through formula on ground states in operator theory first. Based on this formula, we show both non-existence of any ground state and divergence of the total number of soft bosons.
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