The metric and strong coupling limit of the M5-brane

Abstract

We find the analogue of the Boillat metric of Born-Infeld theory for the M5-brane. We show that it provides the propagation cone of {\sl all} 5-brane degrees. In an arbitrary background field, this cone never lies outside the Einstein cone. An energy momentum tensor for the three-form is defined and shown to satisfy the Dominant Energy Condition. The theory is shown to be well defined for all values of the magnetic field but there is a limiting electric field strength. We consider the strong coupling limit of the M5-brane and show that the corresponding theory is conformally invariant and admits infinitely many conservation laws. On reduction to the Born-Infeld case this agrees with the work of Białnicki-Birula.

Version to be published in special issue of JMP, July 2001. Sections 8 and 9 have been removed

References in corpus (2)

• Born-Infeld Theory and Stringy Causality
• A Calibration Bound for the M-Theory Fivebrane

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