标题： 相对论量子场论中单粒子和复合系统的数学严格表述 显示英文标题

标题： Single particles and composite systems in a mathematically rigorous formulation of relativistic quantum field theory

摘要： 我们通过将拉格朗日作用量定义为一系列以满足给定的 \hbox{local} 对易关系的算符场写成的数学上严格定义的泛函序列来定义量子场论。 重整化的解场具有完全定义的Fock空间展开，并且是 \hbox{multi-local}；因此Haag定理不适用，即相互作用绘景存在。 此外，该形式主义允许立即定义波函数并描述多体束缚态系统。 显示英文摘要

摘要： We define quantum field theory by taking the Lagrangian action to be given as a sequence of mathematically well-defined functionals written in terms of operator fields fulfilling given \hbox{local} commutation relations. The renormalized solution fields have a fully defined Fock space expansion and are \hbox{multi-local}; thus Haag's theorem does not apply, i.e., the interaction picture exists. Also, the formalism allows immediately the definition of a wave function and the description of many-body bound-state systems.