Zero-norm states and high-energy symmetries of string theory

Chuan Tsung Chan*, Jen-Chi Lee

*此作品的通信作者

研究成果: Article同行評審

40 引文 斯高帕斯(Scopus)

摘要

We derive stringy Ward identities from the decoupling of two types of zero-norm states in the old covariant first quantized (OCFQ) spectrum of open bosonic string. These Ward identities are valid to all energy α′ and all loop orders χ in string perturbation theory. The high-energy limit α′→∞ of these stringy Ward identities can then be used to fix the proportionality constants between scattering amplitudes of different string states algebraically without referring to Gross and Mende's saddle point calculation of high-energy string-loop amplitudes. As examples, all Ward identities for the mass level M2=4,6 are derived, their high-energy limits are calculated and the proportionality constants between scattering amplitudes of different string states are determined. In addition to those identified before, we discover some new nonzero components of high-energy amplitudes not found previously by Gross and Manes. These components are essential to preserve massive gauge invariances or decouple massive zero-norm states of string theory. A set of massive scattering amplitudes and their high-energy limits are calculated explicitly for each mass level M2=4,6 to justify our results.

原文English
頁(從 - 到)3-20
頁數18
期刊Nuclear Physics B
690
發行號1-2
DOIs
出版狀態Published - 5 七月 2004

指紋

深入研究「Zero-norm states and high-energy symmetries of string theory」主題。共同形成了獨特的指紋。

引用此