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- Просмотр The 2nd International Conference "Exploring the Energetic Universe 2019" по дате публикации
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Просмотр The 2nd International Conference "Exploring the Energetic Universe 2019" по дате публикации
Отображаемые элементы 1-20 из 33
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(American Physical Society, 2016-12-02)We use baryon acoustic oscillation and redshift space distortion from the completed Baryon Oscillation Spectroscopic Survey, corresponding to data release 12 of the Sloan Digital Sky Survey, combined sample analysis in ...
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(2017-01-31)Abstract Cosmological measurements of both the expansion history and growth history have matured, and the two together provide an important test of general relativity. We consider their joint evolutionary track, showing ...
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(NURIS; Energetic Cosmos Laboratory, 2017-05-08)We consider methods for improving the estimation of constraints on a high-dimensional parameter space with a computationally expensive likelihood function. In such cases Markov chain Monte Carlo (MCMC) can take a long time ...
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(American Physical Society, 2017-07-19)Dynamical dark energy has been recently suggested as a promising and physical way to solve the 3 sigma tension on the value of the Hubble constant H0 between the direct measurement of Riess et al. (2016) (R16, hereafter) ...
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(NURIS; Energetic Cosmos Laboratory, 2017-09-25)Adding to our previous method for dealing with gravitational modifications at redshiftz&3through a single parameter, we investigate treatment of lower redshift modifications to linear growth observables. We establish sub ...
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(NURIS; Energetic Cosmos Laboratory, 2017-11-27)The analogy between black hole radiation and accelerating mirror radiation (the dynamical Casimir effect) is particularly strong for mirror trajectories giving rise to a constant thermal flux of particles. We present new ...
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(NURIS; Energetic Cosmos Laboratory, 2017-12-11)We constrain the history of reionization using the data from Planck 2015 Cosmic Microwave Background (CMB) temperature and polarization anisotropy observations. We also use prior constraints on the reionization history at ...
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(American Physical Society, 2017-12-22)Radiation from accelerating mirrors in a Minkowski spacetime provides insights into the nature of horizons, black holes, and entanglement entropy. We introduce new, simple, symmetric and analytic moving mirror solutions ...
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(NURIS; Energetic Cosmos Laboratory, 2018-01-04)A subclass of the Horndeski modified gravity theory we call No Slip Gravity has particularly interesting properties: 1) a speed of gravitational wave propagation equal to the speed of light, 2) equality between the effective ...
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(NURIS; Energetic Cosmos Laboratory, 2018-02-13)Cosmic spatial curvature is a fundamental geometric quantity of the Universe. We investigate a model independent, geometric approach to measure spatial curvature directly from observations,without any derivatives of data. ...
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(NURIS; Energetic Cosmos Laboratory, 2018-02-14)Gravitational waves can be focussed by the gravity of an intervening galaxy, just like light, thereby magnifying binary merging events in the far Universe. High magnification by galaxies is found to be responsible for the ...
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(American Physical Society, 2018-02-23)Taking the Planck cosmic microwave background data and the more direct Hubble constant measurement data as unaffected by systematic offsets, the values of the Hubble constant $H_0$ interpreted within the $\Lambda$CDM ...
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(NURIS; Energetic Cosmos Laboratory, 2018-03-01)The possibility of linking inflation and late cosmic accelerated expansion using the α-attractor models has received increasing attention due to their physical motivation. In the early universe, α-attractors provide an ...
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Probing features in inflaton potential and reionization history with future CMB space observations (NURIS; Energetic Cosmos Laboratory, 2018-03-04)We consider the prospects of probing features in the primordial power spectrum with future Cosmic Microwave Background (CMB) polarization measurements. In the scope of the inflationary scenario, such features in the spectrum ...
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(NURIS; Energetic Cosmos Laboratory, 2018-03-21)We explore freezing dark energy, where the evolution of the field approaches that of a cosmological constant at late times. We propose two general, two-parameter forms to describe the class of freezing field models, in ...
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(NURIS; Energetic Cosmos Laboratory, 2018-05-01)Self tuning is one of the few methods for dynamically cancelling a large cosmological constantand yet giving an accelerating universe. Its drawback is that it tends to screen all sources of energydensity, including matter. ...
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(NURIS; Energetic Cosmos Laboratory, 2018-05-14)There are two outstanding issues regarding the neutron-star merger event GW170817: the nature of the compact remnant and the interstellar shock. The mass of the remnant of GW170817, ∼2.7 M⊙, implies the remnant could be ...
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(NURIS; Energetic Cosmos Laboratory, 2018-07-14)We explore the constraints on the history of reionization from Planck 2015 CosmicMicrowave Background (CMB) data and we derive the forecasts for future CMB observations.We consider a class of monotonic histories of ...
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(NURIS; Energetic Cosmos Laboratory, 2018-07-20)Accelerating mirrors provide a simple conceptual laboratory for studying particle production and the relation between trajectory and particle, energy, and entropy fluxes. We focus on the relation between energy and entropy, ...
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(NURIS; Energetic Cosmos Laboratory, 2018-07-31)Cosmic acceleration may be due to modified gravity, with effective field theory or property functions describing the theory. Connection to cosmological observations through practical parametrization of these functions is ...
Отображаемые элементы 1-20 из 33
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