k+ = 0 modes in light-cone quantization

k+ = 0 modes in light-cone quantization
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光锥量化中的 k = 0 模式

DOI:
10.1016/0370-2693(94)90827-3
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发表时间:
1993
期刊:
影响因子:
--
通讯作者:
M. Maeno
M. Maeno
中科院分区:
--
文献类型:
--
作者:
M. Maeno

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研究了(1 + 1)维φ3-理论的光锥量子化,并对离散光锥动量k+进行了正则化.通过求解与k+= 0模相关的第二类约束,我们证明了k+= 0模可以沿着费曼图的内部线传播,从而恢复了洛伦兹不变性.
We investigate the light-cone quantization of φ3-theory in (1 + 1) dimensions with a regularization of the discretized light-cone momentum k+. Solving a second-class constraint associated with the k+= 0 mode, we show that the k+= 0 mode propagates along the internal lines of Feynman diagrams in any order of perturbation, hence our theory recovers Lorentz invariance.