Higher order terms in the non-abelian D-brane effective action and magnetic background fields

Details Higher order terms in the non-abelian D-brane effective action and magnetic background fields Higher order terms in the non-abelian D-brane effective action and magnetic background fields

2003-06-26

arxiv.org/abs/hep-th/0306260v1

JHEP 0308 (2003) 059

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, LaTeX2e

Scientific paper

10.1088/1126-6708/2003/08/059

Recently a proposal for the non-abelian effective D-brane action was given through fourth order in alpha'. As the resulting expressions turned out to be quite involved, some checks of this result are called for. In the present paper we calculate the spectrum in the presence of constant magnetic background fields and compare it to the string theoretical result. Apart from a small typo in the original expression (the overall sign of thefourth order term), we obtain perfect agreement. We discuss potential applications.

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