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arXiv 0811.3353hep-th
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具有正则扭量场量子化的Pitts-Twistorial弦

Purely twistorial string with canonical twistor field quantization

Sergey Fedoruk, Jerzy Lukierski

摘要:

我们引入了一个新的纯twistorial尺度不变作用量来描述复合玻色子D=4 Nambu-Goto弦,其目标空间由D=4 twistors对参数化。我们证明了通过适当的定域标度规范固定,可以得到二维扭矢弦场的双线性扭矢作用量和正则量子化规则。我们考虑了模型中所有约束的Poisson括号,得到了描述两个维拉索罗约束和两个U(1)xU(1)Kac-Moody(KM)局部相变的四个第一类约束.

英文摘要:

We introduce new purely twistorial scale-invariant action describing the composite bosonic D=4 Nambu-Goto string with target space parametrized by the pair of D=4 twistors. We show that by suitable gauge fixing of local scaling one gets the bilinear twistorial action and canonical quantization rules for the two-dimensional twistor-string fields. We consider the Poisson brackets of all constraints characterizing our model and we obtain four first class constraints describing two Virasoro constraints and two U(1)xU(1) Kac-Moody (KM) local phase transformations.

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