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Multithroat brane inflation
"... We present a scenario where brane inflation arises more generically. We start with D3 and antiD3branes at the infrared ends of two different throats. This setup is a natural consequence of the assumption that in the beginning we have a multithroat string compactification with many wandering anti ..."
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Cited by 7 (0 self)
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We present a scenario where brane inflation arises more generically. We start with D3 and antiD3branes at the infrared ends of two different throats. This setup is a natural consequence of the assumption that in the beginning we have a multithroat string compactification with many wandering anti
UTAP580, RESCEU72/07 Reheating a multithroat universe by brane motion
, 706
"... We propose a mechanism of reheating after inflation in multithroat scenarios of warped extra dimensions. Validity of an effective field theory on the standard model (SM) brane requires that the position of the SM brane during inflation be different from the position after inflation. The latter is s ..."
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We propose a mechanism of reheating after inflation in multithroat scenarios of warped extra dimensions. Validity of an effective field theory on the standard model (SM) brane requires that the position of the SM brane during inflation be different from the position after inflation. The latter
Reheating a multithroat universe by brane motion,” arXiv:0706.3214
"... We propose a mechanism of reheating after inflation in multithroat scenarios of warped extra dimensions. Validity of the effective field theory requires that the position of the standard model (SM) brane during inflation be different from the position long after inflation, i.e. the tip of the SM th ..."
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Cited by 3 (1 self)
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We propose a mechanism of reheating after inflation in multithroat scenarios of warped extra dimensions. Validity of the effective field theory requires that the position of the standard model (SM) brane during inflation be different from the position long after inflation, i.e. the tip of the SM
hepph/0604218 Field Theory on Multithroat Backgrounds
, 2006
"... We consider extra dimensional field theory descriptions of backgrounds with N different throats where one of the extra dimensions in each throat is much larger than the others. Such backgrounds can be described by field theory on N 5D warped spaces which intersect on a ultraviolet (UV) brane. Given ..."
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they are applied to particular situations. Three simple example applications are given: in the first the number of families is determined by the number of throats and the SUSY flavor problem is solved via an S3 symmetry of the throats; in the second we embed this scenario in a SUSY GUT with a solution
Heating in brane inflation and hidden dark matter
, 2006
"... Towards the end of brane inflation, the brane pair annihilation produces massive closed strings. The transfer of this energy to Standard Model (SM) open string modes depends on where the SM branes and the brane annihilation are located: in the bulk, in the same throat or in different throats. We fi ..."
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Cited by 21 (6 self)
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) thermal relics follows from the warped geometry in flux compactification. This works out even in the scenarios where a long period of tunneling is expected. In the multithroat scenario, we find a dynamical mechnism of selecting a long throat as the SM throat. We establish three new dark matter candidates
MADTH055 SISSA62/2005/EP hepth/0508229 Warped Reheating in MultiThroat Brane Inflation
, 2005
"... We investigate in some quantitative details the viability of reheating in multithroat brane inflationary scenarios by estimating and comparing the time scales for the various processes involved. We also calculate within perturbative string theory the decay rate of excited closed strings into KK mod ..."
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We investigate in some quantitative details the viability of reheating in multithroat brane inflationary scenarios by estimating and comparing the time scales for the various processes involved. We also calculate within perturbative string theory the decay rate of excited closed strings into KK
Inflation from warped space
 JHEP
, 2005
"... A long period of inflation can be triggered when the inflaton is held up on the top of a steep potential by the infrared end of a warped space. We first study the field theory description of such a model. We then embed it in the flux stabilized string compactification. Some special effects in the th ..."
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Cited by 38 (8 self)
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in the throat reheating process by relativistic branes are discussed. We put all these ingredients into a multithroat brane inflationary scenario. The resulting cosmic string tension Inflation [1–3] provides a natural mechanism for creating the homogeneity and flatness of our observable universe. It also gives
Is brane inflation eternal
 JCAP
, 2006
"... Abstract: In this paper, we show that eternal inflation of the random walk type is generically absent in the brane inflationary scenario. Depending on how the brane inflationary universe originated, eternal inflation of the false vacuum type is still quite possible. Since the inflaton is the positio ..."
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Cited by 12 (5 self)
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inflation of the random walk type in brane inflation. In the multithroat brane inflationary scenario, the branes may be generated by quantum tunneling and roll out the throat. Eternal inflation of the false vacuum type inevitably happens in this scenario due to the tunneling process. Since these scenarios
Curvatons in Warped Throats
, 905
"... We present a curvaton model from type IIB string theory compactified on a warped throat with approximate isometries. Considering an (anti)D3brane sitting at the throat tip as a prototype standard model brane, we show that the brane’s position in the isometry directions can play the role of curvato ..."
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in warped (multi)throat compactifications and are constrained by observational data, the model can provide tests for compactification scenarios. This work gives an explicit example of string theory providing light fields for generating curvature perturbations. Such mechanisms free the inflaton from being
2007 Energy radiation by cosmic superstrings in brane inflation. [ePrint: arXiv:arXiv:0710.4609
"... The dominant method of energy loss by a loop of cosmic Dstrings in models of warped brane inflation is studied. It is shown that the energy loss via RamondRamond field radiation can dominate by many orders of magnitude over the energy radiation via gravitational wave emission. The ratio of these t ..."
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Cited by 2 (0 self)
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of these two energy loss mechanisms depends on the energy scale of inflation, the mass scale of string theory and whether it is a singlethroat or a multithroat inflationary scenario. This can have important consequences for the detection of cosmic superstrings in the near future. It is argued that the bounds
Results 1  10
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15