Cosmological constraints on inflationary parameters
CMB ANISOTROPIES, COSMOLOGICAL PARAMETERS AND FUNDAMENTAL PHYSICS: CURRENT STATUS & PERSPECTIVES
... (e.g. inflationary) ...strong constraints on which fraction of the perturbations could be isocurvature in nature (Gaussian or not), while many early universe realistic models naturally lead to the ...
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Cosmological Inflation: Theoretical Aspects and Observational Constraints
... to cosmological inflation, the inhomogeneities in our Universe are of quantum-mechanical ...of cosmological perturbations is almost scale ...stringent constraints on the parameter controlling the ...
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Classification of inflationary models and constraints on fundamental physics
... the cosmological evolu- tion are thus interpreted as holographic Renormalization Group (RG) equations for the corresponding QFT ...for inflationary models should be defined in terms of the Wilsonian picture ...
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Cosmological and Astrophysical Probes of Vacuum Energy
... the cosmological constant as a quantity determined by microscopic physics, as the resulting final vacuum energy that has changed during the ...the cosmological constant problem, this issue is summarized by ...
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An alternative to the cosmological 'concordance model'
... confuse cosmological parameter estimation from CMB data ...of cosmological parameters using the much more precise WMAP data, when the usual hypothesis of a single power law spectrum is ...
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Cosmological constraints on mirror matter parameters
... Modern cosmology provides powerful tools for testing dark matter: Big Bang Nucleosynthesis (BBN), the Cos- mic Microwave Background (CMB) and the Large Scale Structure (LSS) power spectra can be reproduced in nu- merical ...
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Cosmological Attractors and Initial Conditions for Inflation
... USA Inflationary α-attractor models in supergravity, which provide excellent fits to the latest obser- vational data, are based on the Poincar´ e disk hyperbolic ...of inflationary models with sufficiently ...
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Can compactifications solve the cosmological constant problem?
... the cosmological constant problem can be dynamically solved by specific compactifications of gravity from higher- dimensional toy ...the cosmological constant Λ is much smaller than the Planck density and ...
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An alternative to dark matter? A cosmological model of galaxy rotation using cosmological gravity force, FΛ (ALW)
... The cosmological principle states, at least, that there are no preferred ...and cosmological gravity, that initial formation of the MW could have started around 150-190 [My] after the beginning, and that ...
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Cosmological signatures in galaxy cluster structures
... Close inspection of the cluster simulation reveals that most high power excursions in power ratio space correspond to single merger events in which a subclump of [r] ...
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Cosmological simulations of galaxy formation
... Future cosmological simulations will still have to implement star formation as sub-resolution models with individual stars as their building ...of cosmological simulations it cannot be modeled ...
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Cosmological Simulations using Grid Middleware
... • single level: this is the “standard” way of generating initial conditions. The resulting files are used to perform the first, low-resolution simulation, from which the halo catalog is extracted. • multiple levels: ...
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Cosmological Simulations on a Grid of Computers
... Data is managed by Dagda so as to benefit from data persistency and replication. Produced data is kept locally at SeD level, and is downloaded on demand by the SeD executing the following service, and/or the client. As ...
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Cosmological signatures of the Epoch of Reionisation
... 5.2. Conclusions & prospects In this work, we have used state-of-the-art reionisation sim- ulations ( Aubert et al. 2015 ) to calibrate an analytical expression of the angular power spectrum of the kSZ effect ...
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Cosmological Perturbation Theory for streams of relativistic particles
... Abstract. Motion equations describing streams of relativistic particles and their properties are explored in detail in the framework of Cosmological Perturbation Theory. Those equa- tions, derived in any metric ...
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The Delta theta-z$_{s}$ Relation as a Cosmological Test
... general cosmological test to determine the values of 0 and ...all cosmological models are probable, or all are improbable, depending on the sample ...
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Cosmological implications from the observed properties of CMB.
... wavelengths. Therefore their numerical values depends on the angular distance to this surface correspond- ing to this epoch and involves various cosmological parameters. This allows one to understand why ...
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CHIPS: The COSMOLOGICAL H i POWER SPECTRUM ESTIMATOR
... Given the current lack of a detection of the signal, and the lack of an instrument with suf ficient sensitivity to directly image the brightness temperature fluctuations, research is focused on its statistical detection ...
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Asteroseismology of the beta Cep star HD 129929. II. Seismic constraints on core overshooting, internal rotation and stellar parameters
... stronger constraints on its internal structure than for all the above mentioned previous cases, because more frequencies (a mixed mode ` = 1, p 1 which occurs in a ...
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An asteroseismic study of the β cephei star θ ophiuchi : constraints on global stellar parameters and core overshooting
... We also showed that the asymmetry observed in the = 1 triplet can be well reproduced by taking into account the effects of rotation up to the second order. For the quintuplet, the agreement is, however, not as good. ...
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