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arXiv 1612.03417hep-th
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光阵面$ϕ^4$理论中的对称破缺

Symmetry breaking in light-front $ϕ^4$ theory

J. R. Hiller

摘要:

我们考虑二维光阵面$ϕ^4$理论的对称相位和破缺相位。在这两种情况下,计算最低状态的质量,并将其对耦合的依赖性用于推断临界耦合值。本征态的结构进行检查,以确定它是否显示出临界行为的迹象,特别是是否一体部门变得不可能相对于较高的福克部门。在试图建立这种行为,我们认为部门独立和部门依赖的组成质量。

英文摘要:

We consider the symmetric and broken phases of light-front $ϕ^4$ theory in two dimensions. In both cases the mass of the lowest state is computed and its dependence on the coupling used to infer critical coupling values. The structure of the eigenstate is examined to determine whether it shows the signs of critical behavior, specifically whether the one-body sector becomes improbable relative to the higher Fock sectors. In attempts to establish this behavior, we consider both sector-independent and sector-dependent constituent masses.

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