The semi-classical energy of open Nambu-Goto strings

Abstract

We compute semi-classical corrections to the energy of rotating open Nambu-Goto strings with and without masses at the ends, using methods from quantum field theory on curved space-times.

20 pages; v2: Minor corrections and clarifications, reference added; v3: Minor corrections and clarifications, Section 5 and references added; v4: Major revision: Major correction of the result and merged with arXiv:1703.03721