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arXiv · 1305.7312

BRST quantization of a sixth-order derivative scalar field theory

Yong-Wan Kim·Yun Soo Myung·Young-Jai Park
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Abstract

We study a sixth order derivative scalar field model in Minkowski spacetime as a toy model of higher-derivative critical gravity theories. This model is consistently quantized when using the Becchi-Rouet-Stora-Tyutin (BRST) quantization scheme even though it does not show gauge symmetry manifestly. Imposing a BRST quartet generated by two scalars and ghosts, there remains a non-trivial subspace with positive norm. This might be interpreted as a Minkowskian dual version of the unitary truncation in the logarithmic conformal field theory.

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Yong-Wan Kim, Yun Soo Myung, Young-Jai Park. 2013-11-14. BRST quantization of a sixth-order derivative scalar field theory. https://doi.org/10.1142/s0217732313501824

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