D-brane recoil and infrared divergences in string theory
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fieldsPublished 15 September 1996Open access
Vipul Periwal, Øyvind Tafjord
Citations51
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Abstract
It is shown that there are logarithmic operators in D-brane backgrounds that lead to infrared divergences in open-string loop amplitudes. These divergences can be canceled by changing the closed-string background by operators that correspond to the D-brane moving with constant velocity after some instant in time, since it is precisely such operators that give rise to the appropriate ultraviolet divergences in the closed-string channel.
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