# Spectra of D-branes with Higgs vevs

@article{Donagi2004SpectraOD, title={Spectra of D-branes with Higgs vevs}, author={R. Donagi and S. Katz and E. Sharpe}, journal={Advances in Theoretical and Mathematical Physics}, year={2004}, volume={8}, pages={813-859} }

In this paper we continue previous work on counting open string states between D-branes by considering open strings between D-branes with nonzero Higgs vevs, and in particular, nilpotent Higgs vevs, as arise, for example, when studying D-branes in orbifolds. Ordinarily Higgs vevs can be interpreted as moving the D-brane, but nilpotent Higgs vevs have zero eigenvalues, and so their interpretation is more interesting -- for example, they often correspond to nonreduced schemes, which furnishes an… CONTINUE READING

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