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The Early Universe

Gravitino condensates in the early universe and inflation

Gravitino condensates in the early universe and inflation

... the early Universe. This is a scenario for both inflating the early universe and breaking local supersymmetry (supergravity), entirely independent of any coupling to external ...

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On some properties of the neutrino in the early universe

On some properties of the neutrino in the early universe

... the early universe such as neutrino pair bremsstrahlung by nucleons, collective electron plasma excitation, ...the universe increases rapidly, it leads to an early freeze out of the weak ...

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Anisotropic to Isotropic Phase Transitions in the Early Universe

Anisotropic to Isotropic Phase Transitions in the Early Universe

... We attempt to develop a minimal formalism to describe an anisotropic to isotropic tran- sition in the early Universe. Assuming an underlying theory that violates Lorentz in- variance, we start with a Dirac ...

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The turbulent chiral magnetic cascade in the early universe

The turbulent chiral magnetic cascade in the early universe

... the early universe or the length of a periodic computational domain, there will be a minimum wavenumber k 1 = 2 p L ...the early exponential growth, the magnetic fi eld reaches a critical value and a ...

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Turbulence of weak gravitational waves in the early universe

Turbulence of weak gravitational waves in the early universe

... 2 Mathematics Institute, University of Warwick, Coventry CV4 7AL, United Kingdom (Received 17 October 2016; revised manuscript received 13 October 2017; published 28 November 2017) We study the statistical properties of ...

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Conformality Lost: Broken Symmetries in the Early Universe

Conformality Lost: Broken Symmetries in the Early Universe

... In this dissertation, we introduce and investigate a general framework to describe the dy- namics of the early universe. This mechanism is based on spontaneously broken conformal symmetry; we find that ...

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Observations of intergalactic heavy-element enrichment in the early universe

Observations of intergalactic heavy-element enrichment in the early universe

... of early interactions between galaxies and intergalactic ...the early universe, signifying that the chemical feedback from early star formation was much more efficient than it is ...local ...

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Chameleons in the early universe: kicks, rebounds, and particle production

Chameleons in the early universe: kicks, rebounds, and particle production

... the early Universe, when the trace of the matter stress-energy tensor is nearly zero, the chameleon is very light, and Hubble friction prevents it from reaching the minimum of its effective ...

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Evolution of Primordial Dark Matter Planets in the Early Universe

Evolution of Primordial Dark Matter Planets in the Early Universe

... Following our earlier works on primordial planets composed of DM, we have considered their evolution as the universe expands. This involves accretion of ambient DM, hydrogen and helium on these objects forming ...

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On the Origin of the Gamma Ray Burst  Redshift Distribution in the Early Universe

On the Origin of the Gamma Ray Burst Redshift Distribution in the Early Universe

... the universe, and are promising stan- dard candles for cosmological ...the early universe, and show how this process and other related events can lead to a relatively high number of GRBs that peak at ...

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Supermassive Black Holes, the Early Universe, and Gamma Ray Bursts

Supermassive Black Holes, the Early Universe, and Gamma Ray Bursts

... and 100% of distant galaxies contain growing supermas- sive black holes. When these results are extrapolated to the full sky, we arrive at the huge number of about 30 million supermassive black holes in the early ...

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Domain Walls in the Early Universe and Generation of Matter and Antimatter Domains

Domain Walls in the Early Universe and Generation of Matter and Antimatter Domains

... 1 Novosibirsk State University, Novosibirsk, 630090, Russia 2 Institute for Theoretical and Experimental Physics, Moscow, 117218, Russia 3 Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia Abstract. We ...

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Analytic solutions for the energy density and the temperature of the QGP in the early Universe

Analytic solutions for the energy density and the temperature of the QGP in the early Universe

... [email protected] Received: 18.11.2019, Accepted: 12.02.2020, Published: 22.02.2020 Abstract — After the Big Bang and at a time estimated to be a millionth of a second, the Universe was in a phase that ...

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A Molecular Hydrogen Production Model from Li and LiH in the Early Universe

A Molecular Hydrogen Production Model from Li and LiH in the Early Universe

... 2. Materials and Methodology The kinetic model applied to the molecular hydrogen production comprise a collisional process scheme of two consecutive reactions between H and Li atoms in the first event and between H and ...

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Neutrinos in the Early Universe, Kalb-Ramond Torsion and Matter-Antimatter Asymmetry

Neutrinos in the Early Universe, Kalb-Ramond Torsion and Matter-Antimatter Asymmetry

... Such coherent oscillations, though, may be destroyed in the high-temperature plasma of particles that characterises the early universe. Our work provides a simple geometric scenario to avoid such dilemmas. ...

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Neutrinos in the Early Universe

Neutrinos in the Early Universe

... Structure formation after equality baryon and CDM experience gravitational clustering baryons and CDM (matter) experience gravitational clustering neutrinos experience free-[r] ...

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Higgs dynamics in the early universe

Higgs dynamics in the early universe

... At early times the Hubble exceeds the critical renormalization scale and the Higgs coupling is negative λ(µ ∼ H) < 0, and consequently the effective Higgs mass is ...

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Numerical relativity and the early Universe

Numerical relativity and the early Universe

... new universe, the energy density outside remains small and asymptotes to zero at large ...by early Universe inflationary-like models) and some classical field theory ...

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Phase Transitions in the Early Universe

Phase Transitions in the Early Universe

... 4.5 Looking for the QGP QCD Phase Transition dicted is  ≈ 5 GeV/fm 2 , which is 5 times the energy density required to reach te lattice calculated T c [21]. The condition for the simple two phase transition model to ...

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The photometric properties of galaxies in the early Universe

The photometric properties of galaxies in the early Universe

... The impact of adding nebular continuum and line emission (as- suming f esc = 0) on the predicted broad-band luminosities as a function of redshift assuming the PEGASE model. The figure s[r] ...

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