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SUSY07

25 July 2007 to 1 August 2007
Karlsruhe University
Europe/Zurich timezone

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Session

Cosmology 8

Cos8
30 Jul 2007, 16:30
Physics Building (Karlsruhe University)

Physics Building

Karlsruhe University

Wolfgang-Gaede-Str. 1 76131 Karlsruhe Germany

Presentation materials

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  1. 67. Gauge Invariant MSSM Inflation
    Dr Anupam Mazumdar (NORDITA)
    30/07/2007, 16:30
    Cosmology and Astrophysics
    Parallel Talk
    Minimal Supersymmetric Standard Model has all the ingredients to provide a successful inflation. The inflaton is a gauge invariant flat direction which carries the Standard Model charges. I will discuss how such a model predicts the CMB observations and provides hope for its detectability at LHC. I will also discuss how a thermal production of neutalino in conjunction with MSSM inflation...
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  2. 117. Gravitino Production from Late-Decaying Scalar Field
    Dr Motoi Endo (DESY)
    30/07/2007, 16:50
    Cosmology and Astrophysics
    Parallel Talk
    We will discuss the gravitino production in early universe from scalar field which reheats the universe. Such production is pointed out to be rather generic and modify usual cosmological scenarios significantly. To be concrete, we will analyze several inflation models.
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  3. 104. Gravitino Overproduction from Inflaton Decay, and its implication for SUSY breaking
    Dr Fuminobu Takahashi (DESY)
    30/07/2007, 17:10
    Cosmology and Astrophysics
    Parallel Talk
    I will discuss the recently discovered gravitino overproduction from inflaton decay, particualrly focusing on its implication for the SUSY breaking and inflation models. Importantly, since the inflaton generically produces the gravitinos, those constraints will turn out to be quite useful to know which models are realized in nature, especially when the upcoming collider experimental data...
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  4. 106. Curvature and isocurvature perturbations in two-field inflation
    Dr Krzysztof Turzynski (University of Michigan)
    30/07/2007, 17:30
    Cosmology and Astrophysics
    Parallel Talk
    We study cosmological perturbations in two-field inflation, allowing for non-standard kinetic terms. We calculate analytically the spectra of curvature and isocurvature modes at Hubble crossing, up to first order in the slow-roll parameters. We also compute numerically the evolution of the curvature and isocurvature modes from well within the Hubble radius until the end of inflation. We...
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  5. 144. Inhomogeneous preheating in multi-field inflationary models
    Mr Tomohiro Matsuda (Saitama Institute of Technology)
    30/07/2007, 17:50
    Cosmology and Astrophysics
    Parallel Talk
    We consider an inhomogeneous preheating scenario in multi-field inflationary models. There are at least two fields trapped at the ESP after preheating, one is the inflaton and the other is a ``trapped field'' that plays important role in generating the curvature perturbation. We consider several kinds of the potential for the trapped field, which mimics thermal or quintessential inflation.
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  6. 272. Chaotic inflation model dominated by the D-term in supergravity
    Mr Masahide Yamaguchi (Aoyama Gakuin University)
    30/07/2007, 18:10
    Cosmology and Astrophysics
    Parallel Talk
    We present a chaotic inflation model dominated by the D-term in supergravity. Our model opens a new branch of model building for inflation.
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