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Article overview
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Brany Liouville Inflation | John Ellis
; N.E. Mavromatos
; D.V. Nanopoulos
; A. Sakharov
; | Date: |
23 Jul 2004 | Journal: | New J.Phys. 6 (2004) 171 | Subject: | gr-qc astro-ph hep-ph hep-th | Affiliation: | CERN), N.E. Mavromatos (King’s Coll. Lon.), D.V. Nanopoulos (TAMU) and A. Sakharov (CERN and ETH | Abstract: | We present a specific model for cosmological inflation driven by the Liouville field in a non-critical supersymmetric string framework, in which the departure from criticality is due to open strings stretched between the two moving Type-II 5-branes. We use WMAP and other data on fluctuations in the cosmic microwave background to fix parameters of the model, such as the relative separation and velocity of the 5-branes, respecting also the constraints imposed by data on light propagation from distant gamma-ray bursters. The model also suggests a small, relaxing component in the present vacuum energy that may accommodate the breaking of supersymmetry. | Source: | arXiv, gr-qc/0407089 | Services: | Forum | Review | PDF | Favorites |
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