# The semi-classical energy of open Nambu-Goto strings

May 25, 2016

We compute semi-classical corrections to the energy of rotating Nambu-Goto strings, using methods from quantum field theory on curved space-times. We find that the energy density diverges in a non-integrable way near the boundaries. Regularizing these divergences with boundary counterterms, we find the Regge intercept $a = 1 + \frac{D-2}{24}$ for $D$ dimensional target space.

open access link

@article{Zahn:2016bam,
author = "Zahn, Jochen",
title = "{The semi-classical energy of open Nambu-Goto strings}",
year = "2016",
eprint = "1605.07928",
archivePrefix = "arXiv",
primaryClass = "hep-th",
SLACcitation = "%%CITATION = ARXIV:1605.07928;%%"
}

Keywords:

locally covariant quantum field theory, string theory