Branes and Theta Dependence

Details Branes and Theta Dependence Branes and Theta Dependence

1998-09-24

arxiv.org/abs/hep-th/9809173v1

Phys.Lett.B444:318-326,1998

Physics

High Energy Physics

High Energy Physics - Theory

12 pages (harvmac)

Scientific paper

10.1016/S0370-2693(98)01413-0

We use the fivebrane of M theory to study the $\theta$ dependence of four
dimensional $SU(N_c)$ super Yang-Mills and super QCD softly broken by a gaugino
mass. We compute the energy of the vacuum in the supergravity approximation.
The results obtained are in qualitative agreement with field theory. We also
study the $\theta$ dependence of the QCD string tension via the fivebrane.

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