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Résumé |
The cancellation of global anomalies is a subtle consistency
constraint on string theory, M-theory and their various effective
descriptions. We will use recent results about the global
gravitational anomaly of the self-dual field to show the cancellation
of global anomalies for five-branes. Along the way, we solve a puzzle
concerning worldvolume couplings on defects involving the gauge field
they source magnetically. We will also mention some partial results
concerning the global gravitational anomaly of (2,0) theories, and
their implication for the associated field theories obtained by
compactification.
Reference: arXiv:1310.2250 |
