Brane Baldness vs. Superselection Sectors

Details Brane Baldness vs. Superselection Sectors Brane Baldness vs. Superselection Sectors

1999-03-25

arxiv.org/abs/hep-th/9903213v4

Phys.Rev. D60 (1999) 105007

Physics

High Energy Physics

High Energy Physics - Theory

26 pages, ReVTeX, 2 figures, reference added, version to appear in PRD

Scientific paper

10.1103/PhysRevD.60.105007

The search for intersecting brane solutions in supergravity is a large and profitable industry. Recently, attention has focused on finding localized forms of known `delocalized' solutions. However, in some cases, a localized version of the delocalized solution simply does not exist. Instead, localized separated branes necessarily delocalize as the separation is removed. This phenomenon is related to black hole no-hair theorems, i.e. `baldness.' We continue the discussion of this effect and describe how it can be understood, in the case of Dirichlet branes, in terms of the corresponding intersection field theory. When it occurs, it is associated with the quantum mixing of phases and lack of superselection sectors in low dimensional field theories. We find surprisingly wide agreement between the field theory and supergravity both with respect to which examples delocalize and with respect to the rate at which this occurs.

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