Gordon, James; Semenoff, Gordon W. Worldsheet instantons and the amplitude for string pair production in an external field as a WKB exact functional integral. (English) Zbl 1391.83108 J. High Energy Phys. 2018, No. 5, Paper No. 33, 40 p. (2018). MSC: 83E30 81T30 81S40 PDFBibTeX XMLCite \textit{J. Gordon} and \textit{G. W. Semenoff}, J. High Energy Phys. 2018, No. 5, Paper No. 33, 40 p. (2018; Zbl 1391.83108) Full Text: DOI arXiv
Gordon, James; Semenoff, Gordon W. World-line instantons and the Schwinger effect as a Wentzel-Kramers-Brillouin exact path integral. (English) Zbl 1317.81261 J. Math. Phys. 56, No. 2, 022111; 17 p. (2015). Reviewer: Monika Winklmeier (Bogotá) MSC: 81V10 81T18 81S40 81T10 81T15 81Q20 78A30 14D21 37C30 PDFBibTeX XMLCite \textit{J. Gordon} and \textit{G. W. Semenoff}, J. Math. Phys. 56, No. 2, 022111; 17 p. (2015; Zbl 1317.81261) Full Text: DOI arXiv