A proposal for M2-brane-anti-M2-brane action
Mohammad R. Garousi

TL;DR
This paper introduces a new SO(8) invariant BF type Lagrangian to describe M2-brane-anti-M2-brane systems, which reduces to the known D2-brane-anti-D2-brane tachyon DBI action under certain conditions.
Contribution
It presents a novel manifestly SO(8) invariant Lagrangian for M2-brane-anti-M2-brane dynamics, connecting it to D2-brane-anti-D2-brane physics.
Findings
Proposes a new SO(8) invariant BF type Lagrangian.
Shows reduction to D2-brane-anti-D2-brane tachyon DBI action.
Provides a framework for describing M2-brane-anti-M2-brane systems.
Abstract
We propose a manifestly SO(8) invariant BF type Lagrangian for describing the dynamics of M2-brane-anti-M2-brane system in flat spacetime. When one of the scalars which satisfies a free-scalar equation takes a large expectation value, the M2-brane-anti-M2-brane action reduces to the tachyon DBI action of D2-brane-anti-D2-brane system in flat spacetime.
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