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Dyonic anomalies

Måns Henningson (Institutionen för fundamental fysik) ; Erik Johansson (Institutionen för fundamental fysik)
Physics Letters B (0370-2693). Vol. 267 (2005), p. 203-207.
[Artikel, refereegranskad vetenskaplig]

We consider the problem of coupling a dyonic p-brane in d = 2p + 4 space-time dimensions to a prescribed (p + 2)-form field strength. This is particularly subtle when p is odd. For the case p = 1, we explicitly construct a coupling functional, which is a sum of two terms: one which is linear in the prescribed field strength, and one which describes the coupling of the brane to its self-field and takes the form of a Wess-Zummo term depending only on the embedding of the brane world-volume into space-time. We then show that this functional is well-defined only modulo a certain anomaly, related to the Euler class of the normal bundle of the brane world-volume.

Denna post skapades 2008-12-18. Senast ändrad 2014-11-10.
CPL Pubid: 82172


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Institutionen för fundamental fysik (2005-2015)



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