科研之友
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摘要
The action principle for Vasiliev%26apos;s four-dimensional higher-spin gravity proposed recently by two of the authors, is converted into a minimal BY master action using the AKSZ procedure, which amounts to replacing the classical differential forms by vectorial superfields of fixed total degree given by the sum of form degree and ghost number. The nil potency of the BRST operator is achieved by imposing boundary conditions and choosing appropriate gauge transitions between charts leading to a globally-defined formulation based on a principal bundle.
- 出版日期2012-10
