Field Theory of Strings
Abstract
An important insight into the meaning of dual string theory vertices was provided by Mandelstam [1]. Using the lightconegauge formalism, he showed that the vertices can be understood as the Fourier components of delta functionals that describe the spatial overlap of a final string with the two initial strings that join together. (This idea was proposed independently by [2], [3], and J. Goldstone (unpublished).) This very straightforward and physical picture was utilized to construct expressions for scattering amplitudes as functional integrals. The power of this approach was demonstrated when Mandelstam used it to calculate fermionfermion scattering (paper #13)…
 Publication:

Electronics Letters
 Pub Date:
 September 1984
 DOI:
 10.1142/9789814542456_0044
 Bibcode:
 1984ElL....20..777H
 Keywords:

 Millimeter Waves;
 Propagation Modes;
 Transmission Loss;
 V Grooves;
 Waveguides;
 Microwave Attenuation;
 Signal Measurement;
 Electronics and Electrical Engineering