On the polarization of closed strings by Ramond-Ramond fluxes

Details On the polarization of closed strings by Ramond-Ramond fluxes On the polarization of closed strings by Ramond-Ramond fluxes

2004-05-11

arxiv.org/abs/hep-th/0405103v2

JHEP0410:021,2004

Physics

High Energy Physics

High Energy Physics - Theory

18 pages

Scientific paper

10.1088/1126-6708/2004/10/021

In the Green-Schwarz formalism, the closed string worldsheet of the IIB theory couples to Ramond-Ramond (RR) fluxes through spinor bilinears. We study the effect of such fluxes by analyzing the supersymmetry transformation of the worldsheet in general backgrounds. We show that, in the presence RR fields, the closed string can get `polarized', as the spinors acquire non-zero vevs in directions correlating with the orientation of close-by D-branes. Reversing the argument, this may allow for worldsheet configurations - with non-trivial spinor structure - that source RR moments.

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