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Unstoppable brane-flux decay of D6 branes
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
Univ Paris Saclay, CEA, CNRS, Inst Phys Theor,Orme Merisiers, F-91191 Gif Sur Yvette, France..
Katholieke Univ Leuven, Inst Theoret Fys, Celestijnenlaan 200D, B-3001 Leuven, Belgium..
2017 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 3, 141Article in journal (Refereed) Published
Abstract [en]

We investigate p (D6) over bar branes inside a flux throat that carries K x M (D6) over bar charges with K the 3-form flux quantum and M the Romans mass. In such a setup brane-flux annihilation can proceed through the nucleation of KK5 branes. We find that within the calculable supergravity regime where g(s)p is large, the (D6) over bar branes annihilate immediately against the fluxes despite the existence of a metastable state at small p / M in the probe approximation. The crucial property that causes this naive conflict with effective field theory is a singularity in the 3-form flux, which we cut off at string scale. Our result explains the absence of regular solutions at finite temperature and suggests there should be a smooth time-dependent solution. We also discuss the qualitative differences between (D6) over bar branes and (D3) over bar branes, which makes it a priori not obvious to conclude the same instability for (D3) over bar branes.

Place, publisher, year, edition, pages
2017. no 3, 141
Keyword [en]
D-branes, Flux compactifications, Spacetime Singularities, Supersymmetry Breaking
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-320645DOI: 10.1007/JHEP03(2017)141ISI: 000397707700006OAI: oai:DiVA.org:uu-320645DiVA: diva2:1129791
Funder
Swedish Research Council
Note

Tiel i WoS: Unstoppable brane-fux decay of (D6)over-bar branes

Available from: 2017-08-07 Created: 2017-08-07 Last updated: 2017-08-07Bibliographically approved

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