English

Non-linear theory for multiple M2 branes

High Energy Physics - Theory 2014-11-18 v3

Abstract

We present a manifestly SO(8) invariant non-linear Lagrangian for describing the non-abelian dynamics of the bosonic degrees of freedom of N coinciding M2 branes in flat spacetime. The theory exhibits a gauge symmetry structure of the BF type (semidirect product of SU(N) and translations) and at low energies it reduces exactly to the bosonic part of the Lorentzian Bagger-Lambert Lagrangian for group SU(N). There are eight scalar fields satisfying a free-scalar equation. When one of them takes a large expectation value, the non-linear Lagrangian gets simplified and the theory can be connected to the non-abelian Lagrangian describing the dynamics of N coinciding D2 branes. As an application, we show that the BPS fuzzy funnel solution describing M2 branes ending into a single M5 brane is an exact solution of the non-linear system.

Keywords

Cite

@article{arxiv.0808.2473,
  title  = {Non-linear theory for multiple M2 branes},
  author = {Roberto Iengo and Jorge G. Russo},
  journal= {arXiv preprint arXiv:0808.2473},
  year   = {2014}
}

Comments

13 pages, latex. Correction and reference added

R2 v1 2026-06-21T11:11:37.774Z