The Lorentz Anomaly via Operator Product Expansion
@article{Fredenhagen2014TheLA,
title={The Lorentz Anomaly via Operator Product Expansion},
author={Stefan Fredenhagen and Jens Hoppe and Mariusz Hynek},
journal={Journal of Mathematical Physics},
year={2014},
volume={56},
pages={102302}
}The emergence of a critical dimension is one of the most striking features of string theory. One way to obtain it is by demanding closure of the Lorentz algebra in the light-cone gauge quantisation, as discovered for bosonic strings more than forty years ago. We give a detailed derivation of this classical result based on the operator product expansion on the Lorentzian world-sheet.
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