UV Finite Brane Decay

  title={UV Finite Brane Decay},
  author={Joanna L. Karczmarek and Hong Liu and Juan Mart́ın Maldacena and Andrew Strominger},
The decay of an unstable D-brane via closed string emission and open string pair production is considered in subcritical string theory with a spacelike linear dilaton. The decay rate is given by the imaginary part of the annulus, which has ambiguities corresponding to the choices of incoming closed and open string vacua. An exact expression for the full annulus diagram is computed with a natural choice of incoming vacua. It is found that the ultraviolet divergences present in critical string… CONTINUE READING


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