Comments on unstable branes | Zendy

Kenneth Intriligator | Zendy; Jason Kumar | Zendy; Matthew Kleban | Zendy

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Comments on unstable branes

Author(s) -

Kenneth Intriligator,

Jason Kumar,

Matthew Kleban

Publication year - 2001

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2001/02/023

Subject(s) - brane cosmology , physics , supergravity , brane , string theory , string (physics) , charge (physics) , mathematical physics , d brane , gauge theory , theoretical physics , particle physics , supersymmetry

We argue that type II string theories contain unstable NS4 branes, whichdescend from a conjectured unstable M4 brane of M-theory. Assuming that an M2brane can arise in M5 brane/anti-brane annihilation, the unstable M4 brane, andalso an unstable M3 brane, must exist as sphalerons. We compare the tensions ofthe unstable NS4 branes, M4 brane, and related type II unstable D-branes, andpresent 11d supergravity solutions for unstable Mp branes for all p. We studythe Z_2 gauge symmetry on the worldvolume of unstable branes, and argue that itcan never be unbroken in the presence of lower brane charge.Comment: 16 page

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