D-BRANE WORLDS AND THE COSMOLOGICAL CONSTANT
The cosmological constant on a D-brane is analyzed. This D-brane is in the background produced by the p-brane solutions. The energy–momentum tensor in this model has been found and the form of the cosmological constant has been derived. This energy–momentum tensor is interpreted as an energy–momentu...
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| Veröffentlicht in: | Modern physics letters A 2006-01, Vol.21 (3), p.213-229 |
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| container_title | Modern physics letters A |
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| creator | GUSIN, P. WARCZEWSKI, J. |
| description | The cosmological constant on a D-brane is analyzed. This D-brane is in the background produced by the p-brane solutions. The energy–momentum tensor in this model has been found and the form of the cosmological constant has been derived. This energy–momentum tensor is interpreted as an energy–momentum tensor for a perfect fluid on the D-brane. The energy density and the pressure for this fluid have been derived. As it turned out the pressure is negative but the speed of sound is real. |
| doi_str_mv | 10.1142/S0217732306019438 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0217-7323 |
| ispartof | Modern physics letters A, 2006-01, Vol.21 (3), p.213-229 |
| issn | 0217-7323 1793-6632 |
| language | eng |
| recordid | cdi_worldscientific_primary_S0217732306019438 |
| source | World Scientific Journals (Tsinghua Mirror); World Scientific Journals |
| title | D-BRANE WORLDS AND THE COSMOLOGICAL CONSTANT |
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