Green-Schwarz Anomaly Cancellation, World Sheet Instantons and Wormholes
High Energy Physics - Phenomenology
2007-05-23 v2 General Relativity and Quantum Cosmology
High Energy Physics - Theory
Abstract
We consider the breaking of the global conservation of gauge field charges which are commonly thought to survive the spontaneous breakdown of gauge symmetry brought about by Kalb-Ramond fields. Depending on the dilaton field and also the size of the compactifying space, the global charge breaking may take place due to world sheet instantons. In going to 3+1 dimensions one could have a serious problem in order to produce the hierarchies between the quark and the charged lepton masses using the mass protecting charges with the Green-Schwartz anomaly cancellation. Various unnatural features of this type of models are discussed.
Keywords
Cite
@article{arxiv.hep-ph/0310146,
title = {Green-Schwarz Anomaly Cancellation, World Sheet Instantons and Wormholes},
author = {H. B. Nielsen and Y. Takanishi},
journal= {arXiv preprint arXiv:hep-ph/0310146},
year = {2007}
}
Comments
22 pages, 3 feynmf figures, Latex2e; v2 section 3 expanded, discussions added