Cold dark matter
Warm little inflaton becomes cold dark matter
... the dark matter in the Universe within the warm inflation ...as dark radiation during nucleosynthesis, leading to a non-negligible contribution to the effective number of relativistic degrees of ...
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Analytic study of cosmological perturbations in a unified model of dark matter and dark energy with a sharp transition
... where cold dark matter (CDM) dominates the evolution of the universe after ...dubbed dark energy (DE) which has an equation of state close to that of a cosmological constant and which ...
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Technical Results from the Surface Run of the LUX Dark Matter Experiment
... We present the results of the three-month above-ground commissioning run of the Large Underground Xenon (LUX) experiment at the Sanford Under- ground Research Facility located in Lead, South Dakota, USA. LUX is a 370 kg ...
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Consequences of dark matter-dark energy interaction on cosmological parameters derived from type Ia supernova data
... the dark matter component of the Universe interacts with the dark energy field have been proposed as a solution to the cosmic coincidence problem, since in the attractor regime both dark ...
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Inflaton dark matter from incomplete decay
... φ = (h 2 /8π)m φ . While initially Γ max φ ≪ 3H as illustrated in Figure 1 (c), such that the inflaton’s energy density remains essentially unaffected by the de- cay into fermions, the source term in the radiation equa- ...
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Unified Models of Dark Energy and Dark Matter
... Standard Cold Dark Matter (SCDM) model; a flat universe filled with only matter content (Einstein-de Sitter ...nary matter, DM and GR could explain all the observations with the ...
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Complex scalar dark matter in a B-L model
... • Another source of measurements, concerning the existence of dark matter, comes from the cosmic microwave background [8, 9]. The microwave background was emitted at the time of recombination, epoch when ...
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Scalar field dark matter with spontaneous symmetry breaking and the $3.5$ keV line
... the dark scalar never thermalizes with the cosmic plasma and behaves effectively as an oscillating condensate throughout its whole cosmic ...as cold dark matter after the ...
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ν-inflaton dark matter
... until matter-radiation equality the Universe is always dominated by a fluid redshifting as radiation, thus yielding R ' 0 so that we may safely neglect the effects of the non-minimal coupling to gravity in the ...
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Calibration, event reconstruction, data analysis, and limit calculation for the LUX dark matter experiment
... Lambda Cold Dark Matter (ΛCDM) model of the Universe is in excellent agreement with numerous differ- ent types of astrophysical observations [1, ...26.8% cold dark mat- ter (CDM), which ...
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Results from a search for dark matter in the complete LUX exposure
... The Large Underground Xenon (LUX) experiment searches for direct evidence of weakly interacting mas- sive particles (WIMPs), a favored dark matter candidate. The LUX search is performed with a dual-phase ...
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A unified model of inflation, dark matter, neutrino masses and baryogenesis
... be complementary, having no overlap between regions. In the regime with larger masses we have the WIMP solution whereas the condensate hypothesis rests at the regime with smaller masses, very close to the BBN and the ...
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Testing cosmological structure formation in unified dark matter-energy models
... Unified Dark Matter-Energy models (UDM), a class of models that entertains the possibility of a universe where dark matter and dark energy exist as a single ...between dark ...
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Dynamical 3-Space: Alternative Explanation of the "Dark Matter Ring"
... “dark matter” density, as a spatial self-interaction effect. This “dark matter” density is that required to reproduce the gravi- tational acceleration if we used Newton’s law of ...
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Scale-invariant scalar field dark matter through the Higgs portal
... our dark scalar never thermalizes with the ambient cosmic plasma, such a bias could survive until the EWPT and therefore lead to the destruction of any domain wall network generated during the phase ...for ...
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Dynamics and Phenomenology of Scalar Field Dark Matter through the Higgs Portal
... the dark scalar’s oscillations may also lead to the production of dark photons, through the second term in ...The dark photons could, in addition, be thermally produced in the early Universe in the ...
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Unified description of dark energy and dark matter within the generalized hybrid metric-palatini theory of gravity
... like dark energy, inducing a late-time accelerated expansion of the universe, while the other scalar field behaves like pressureless dark matter that, together with ordinary baryonic matter, ...
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Composite dark matter phenomenology in the presence of lighter degrees of freedom
... Scalar dark matter (DM) in the context of composite Higgs models (CHM) [ 1 – 3 ] has received important attention in the last years [ 4 – 23 ]. The reason is that both the Higgs boson and the DM are ...
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First measurement of proton-induced low-momentum dielectron radiation off cold nuclear matter
... a cold strongly interacting medium, the chiral condensate is expected to be modified (in linear density approximation, by about 30% at nuclear saturation ...
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Constraints On Mass Dimension One Fermionic Dark Matter From The Yukawa Interaction
... (Received 24 March 2016; revised manuscript received 5 August 2016; published 15 September 2016) We study the loop corrections to the scalar propagator and the fermionic self-energy for the mass dimension one fermionic ...
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