P-P' Strings in M(atrix) Theory
摘要
We study the off-diagonal blocks in the M(atrix) model that are supposed to correspond to open strings stretched between a Dp-brane and a Dp'-brane. It is shown that the spectrum, including the quantum numbers, of the zero modes in the off-diagonal blocks can be determined from the index theorem and unbroken supersymmetry, and indeed reproduces string theory predictions for p-p' strings. Previously the matrix description of a longitudinal fivebrane needed to introduce extra degrees of freedom corresponding to 0-4 strings by hand. We show that they are naturally associated with the off-diagonal zero modes, and the supersymmetry transformation laws and low energy effective action postulated for them are now derivable from the M(atrix) theory.
引用
@article{arxiv.hep-th/9706073,
title = {P-P' Strings in M(atrix) Theory},
author = {Pei-Ming Ho and Miao Li and Yong-Shi Wu},
journal= {arXiv preprint arXiv:hep-th/9706073},
year = {2009}
}
备注
minor modification, references added. 21 pages, Latex, minor modification made