A novel form of the free-string field action is proposed for both the closed bosonic string and the heterotic string.
DOI:https://doi.org/10.1103/PhysRevLett.63.1046
©1989 American Physical Society
S.-H. Henry Tye
Vol. 63, Iss. 10 — 4 September 1989
Sign up to receive regular email alerts from Physical Review Letters