Glueballs and Their Kaluza-Klein Cousins

Details Glueballs and Their Kaluza-Klein Cousins Glueballs and Their Kaluza-Klein Cousins

1998-06-19

arxiv.org/abs/hep-th/9806171v1

Phys.Lett.B437:77-81,1998

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, LaTeX

Scientific paper

10.1016/S0370-2693(98)00877-6

Spectra of glueball masses in non-supersymmetric Yang-Mills theory in three and four dimensions have recently been computed using the conjectured duality between superstring theory and large N gauge theory. The Kaluza-Klein states of supergravity do not correspond to any states in the Yang-Mills theory and therefore should decouple in the continuum limit. On the other hand, in the supergravity limit g_{YM}^2 N -> \infty, we find that the masses of the Kaluza-Klein states are comparable to those of the glueballs. We also show that the leading (g_{YM}^2N)^{-1} corrections do not make these states heavier than the glueballs. Therefore, the decoupling of the Kaluza-Klein states is not evident to this order.

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