
TL;DR
This paper develops a superspace formulation for super eightbrane theory in ten dimensions, introducing novel over-ranked superfield strengths and a super ninebrane action, extending the framework to eleven dimensions.
Contribution
It introduces an over-ranked 11-form superfield strength and constructs a super ninebrane action, advancing the superspace formulation of super eightbrane theory.
Findings
Introduces an 11-form superfield strength with vanishing bosonic component.
Constructs a super ninebrane action invariant under $$-symmetry.
Extends superspace formulation to eleven dimensions.
Abstract
We present a superspace formulation for super eightbrane theory based on massive type IIA supergravity in ten-dimensions. Remarkably, in addition to the 10-form superfield strength originally needed for super eightbrane, we also need an `over-ranked' 11-form superfield strength with identically vanishing purely bosonic component, in order to satisfy all the Bianchi identities. As a natural super p-brane formulation for the 11-form superfield strength, we present a super ninebrane action on 10-dimensional super-worldvolume invariant under a local fermionic -symmetry. We also show that we can formulate such a superspace with an `over-ranked' superfield strength also in eleven-dimensions, and possibly in other lower dimensions as well.
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