Noncommutative perturbative dynamics

@inproceedings{Minwalla2000NoncommutativePD,
  title={Noncommutative perturbative dynamics},
  author={Shiraz Naval Minwalla and Mark Aaron van Raamsdonk and Nathan Seiberg},
  year={2000}
}
We study the perturbative dynamics of noncommutative field theories on R d , and find an intriguing mixing of the UV and the IR. High energies of virtual particles in loops produce non-analyticity at low momentum. Consequently, the low energy effective action is singular at zero momentum even when the original noncommutative field theory is massive. Some of the nonplanar diagrams of these theories are divergent, but we interpret these divergences as IR divergences and deal with them accordingly… CONTINUE READING

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