Is a classical description of stable non-BPS D-branes possible?☆

  title={Is a classical description of stable non-BPS D-branes possible?☆},
  author={Matteo Bertolini and Paolo Di Vecchia and Marialuisa Frau and Alberto Lerda and Raffaele Marotta and Rodolfo Russo},
  journal={Nuclear Physics},
Abstract We study the classical geometry produced by a stack of stable (i.e., tachyon-free) non-BPS D-branes present in K3 compactifications of type II string theory. This classical representation is derived by solving the equations of motion describing the low-energy dynamics of the supergravity fields which couple to the non-BPS state. Differently from what expected, this configuration displays a singular behaviour: the space–time geometry has a repulson -like singularity. This fact suggests… Expand

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