Domain walls from M-branes
Nov, 19969 pages
Published in:
- Mod.Phys.Lett.A 12 (1997) 1087-1094
e-Print:
- hep-th/9611079 [hep-th]
Report number:
- CTP-TAMU-56-96
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Abstract:
We discuss the vertical dimensional reduction of M-branes to domain walls in D=7 and D=4, by dimensional reduction on Ricci-flat 4-manifolds and 7-manifolds. In order to interpret the vertically-reduced 5-brane as a domain wall solution of a dimensionally-reduced theory in D=7, it is necessary to generalise the usual Kaluza-Klein ansatz, so that the 3-form potential in D=11 has an additional term that can generate the necessary cosmological term in D=7. We show how this can be done for general 4-manifolds, extending previous results for toroidal compactifications. By contrast, no generalisation of the Kaluza-Klein ansatz is necessary for the compactification of M-theory to a D=4 theory that admits the domain wall solution coming from the membrane in D=11.- membrane model: p-brane
- dimension: 7
- dimension: 4
- dimensional reduction
- domain wall
- Kaluza-Klein model
- compactification
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