T-duality and the case of the disappearing brane | Zendy

Donald Marolf | Zendy

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T-duality and the case of the disappearing brane

Author(s) -

Donald Marolf

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 - 10.1088/1126-6708/2001/06/036

Subject(s) - physics , supergravity , brane , duality (order theory) , t duality , mathematical physics , brane cosmology , theoretical physics , particle physics , quantum electrodynamics , supersymmetry , string theory , pure mathematics , mathematics

When an NS5-brane crosses a D6-brane, a D4-brane is created stretchingbetween them by the Hanany-Witten effect. However, the T-dual situationinvolves a Kaluza-Klein monopole crossing a D5-brane and should not result inbrane creation. Thus, the newly created D4-brane disappears when T-duality isapplied. The T-duality is in a direction transverse to the D4-brane so that onewould naively have expected the creation of a D5-brane in the T-dual picture.This situation is investigated via the corresponding supergravity solutions andthe tension with the naive result is resolved. Along the way, a differentialform version of the supergravity T-duality relations is developed and somecomments are made concerning the flux-expulsion properties of D6-branes.Comment: 16 pages, 4 figures, JHEP style, small typo fixe

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