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D0-brane recoil revisited

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arxiv hep-th/0609216 v1 pith:7OKZHNUH submitted 2006-09-29 hep-th

Ben Craps , Oleg Evnin , Shin Nakamura This is my paper
classification hep-th
keywords recoild0-braneformalismworldlineamplitudesdivergencesaccountassociated
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One-loop string scattering amplitudes computed using the standard D0-brane conformal field theory (CFT) suffer from infrared divergences associated with recoil. A systematic framework to take recoil into account is the worldline formalism, where fixed boundary conditions are replaced by dynamical D0-brane worldlines. We show that, in the worldline formalism, the divergences that plague the CFT are automatically cancelled in a non-trivial way. The amplitudes derived in the worldline formalism can be reproduced by deforming the CFT with a specific "recoil operator", which is bilocal and different from the ones previously suggested in the literature.

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  1. Spontaneous symmetry breaking on graphs and lattices

    cond-mat.dis-nn 2025-12 unverdicted novelty 7.0 of 10

    Spontaneous symmetry breaking on graphs and lattices is controlled by the spectral dimension and generalizations of resistance distance and the Kirchhoff index.

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