English

The closed string field theory action vanishes

High Energy Physics - Theory 2023-01-27 v2

Abstract

Using the dilaton theorem, we show that the classical action of closed string field theory vanishes on-shell.

Cite

@article{arxiv.2204.12863,
  title  = {The closed string field theory action vanishes},
  author = {Theodore Erler},
  journal= {arXiv preprint arXiv:2204.12863},
  year   = {2023}
}

Comments

Version 2: 8 pages. Published with additional references

R2 v1 2026-06-24T11:00:08.735Z