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Conifold transitions and five-brane condensation in M-theory on Spin(7) manifolds

Abstract:

We conjecture a topology-changing transition in M-theory on a non-compact asymptotically conical Spin(7) manifold, where a 5-sphere collapses and a ℂP2 bolt grows. We argue that the transition may be understood as the condensation of M5-branes wrapping S5. Upon reduction to ten dimensions, it has a physical interpretation as a transition of D6-branes lying on calibrated submanifolds of flat space. In yet another guise, it may be seen as a geometric transition between two phases of type IIA st...

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Publication status:
Published

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Publisher copy:
10.1088/0264-9381/20/4/306

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Journal:
CLASSICAL AND QUANTUM GRAVITY
Volume:
20
Issue:
4
Pages:
665-705
Publication date:
2003-02-21
DOI:
ISSN:
0264-9381
URN:
uuid:035333ea-36a3-4c5c-b90f-86577a1a33d5
Source identifiers:
7740
Local pid:
pubs:7740
Language:
English

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