Abstract
Using the dilaton theorem, we show that the classical action of closed string field theory vanishes on-shell.
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Erler, T. The closed string field theory action vanishes. J. High Energ. Phys. 2022, 55 (2022). https://doi.org/10.1007/JHEP10(2022)055
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DOI: https://doi.org/10.1007/JHEP10(2022)055