四维自对偶的PST和辅助张量场公式的统一
Unifying the PST and the auxiliary tensor field formulations of 4D self-duality
摘要:
我们统一的洛伦兹和O(2)对偶协变的方法,4D自对偶理论的Pasti,Sorokin和Tonin(PST)的制定涉及一个辅助张量场。我们提出了新的混合方法的基本特征,包括相关的广义PST行动的对称性。它的显著特点是PST规范对称性的独特实现形式。相应的变换不影响辅助张量场,这保证了非线性作用量的自对偶性,其中O(2)不变相互作用是从张量场构造出来的。
英文摘要:
We unify the Lorentz- and O(2) duality-covariant approach to 4D self-dual theories by Pasti, Sorokin and Tonin (PST) with the formulation involving an auxiliary tensor field. We present the basic features of the new hybrid approach, including symmetries of the relevant generalized PST action. Its salient peculiarity is the unique form of the realization of the PST gauge symmetries. The corresponding transformations do not affect the auxiliary tensor field, which guarantees the self-duality of the nonlinear actions in which the O(2) invariant interactions are constructed out of the tensor field.
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