Five-Brane Superpotentials in Heterotic M-Theory
Eduardo Lima, Burt Ovrut, Jaemo Park
TL;DR
This paper calculates the non-perturbative superpotential contribution from open supermembranes in heterotic M-theory, focusing on five-brane moduli and boundary string interactions.
Contribution
It provides an explicit computation of the superpotential for five-brane separation moduli, including boundary string and bundle effects in heterotic M-theory.
Findings
Explicit superpotential formula for five-brane separation modulus
Analysis of boundary string boundary conditions
Role of holomorphic vector bundles in superpotential contributions
Abstract
The open supermembrane contribution to the non-perturbative superpotential of bulk space five-branes in heterotic M-theory is presented. We explicitly compute the superpotential for the modulus associated with the separation of a bulk five-brane from an end-of-the-world three-brane. The gauge and kappa-invariant boundary strings of such open supermembranes are given and the role of the holomorphic vector bundle on the orbifold fixed plane boundary is discussed in detail.
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