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BPS States of Strings in 3-Form Flux

Mariana Grana·Andrew R. Frey
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Abstract

We count the BPS states of strings in uniform 3-form fluxes, using supersymmetric quantum mechanics derived from the kappa-symmetric action for D-branes. This problem is relevant to the stringy physics of warped compactifications. We work on a type IIB T^6/Z_2 orientifold with imaginary self-dual, quantized, 3-form flux. Ignoring the orientifold projection, the number of short multiplets living on a single string is the square of the units of 3-form flux present on the torus; the orientifold removes roughly half of the multiplets. We review the well-known case of a superparticle on T^2 as an pedagogical example.

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Mariana Grana, Andrew R. Frey. 2002-11-27. BPS States of Strings in 3-Form Flux. https://doi.org/10.1103/physrevd.67.026008

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