Abstract
We determine all D-branes in the non-tachyonic 0'B orientifold, examine their worldvolume anomalies and study orbifold compactifications. We find that the spectrum of the D-branes contains chiral fermions in the symmetric, antisymmetric and fundamental representations of (unitary) gauge groups on the branes. The cancellation of the worldvolume anomalies requires Wess–Zumino terms which we determine explicitly. We examine a non-tachyonic compactification to 9d whose closed part interpolates between 0B and IIB and revisit compactifications on orbifolds. The D3-brane allows to conjecture, via the AdS/CFT correspondence, a supergravity dual to a non-supersymmetric and infrared-free gauge theory. The D-string gives hints concerning the S-dual of the 0'B orientifold.
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