BPS surface observables in six-dimensional (2,0) theory
Par Arvidsson
TL;DR
This paper investigates how a specific superconformal symmetry in six-dimensional (2,0) theory is broken by the presence of a BPS surface, revealing consistency with superspace symmetry breaking.
Contribution
It demonstrates the symmetry breaking pattern induced by a flat BPS surface in six-dimensional (2,0) superspace, connecting supergroup invariance with physical surface configurations.
Findings
Supergroup OSp(8*|4) is broken to OSp(4|2) x OSp(4|2) by BPS surface presence
The symmetry breaking pattern is consistent with superspace invariance
Provides a geometric understanding of BPS surface effects in (2,0) theory
Abstract
The supergroup OSp(8*|4), which is the superconformal group of (2,0) theory in six dimensions, is broken to the subgroup OSp(4|2)xOSp(4|2) by demanding the invariance of a certain product in a superspace with eight bosonic and four fermionic dimensions. We show that this is consistent with the symmetry breaking induced by the presence of a flat two-dimensional BPS surface in the usual (2,0) superspace, which has six bosonic and sixteen fermionic dimensions.
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