Evolution of hydromagnetic turbulence from the electroweak phase transition

  title={Evolution of hydromagnetic turbulence from the electroweak phase transition},
  author={Axel Brandenburg and Tinatin Kahniashvili and Sayan Mandal and Alberto Roper Pol and A. G. Tevzadze and Tanmay Vachaspati},
  journal={Physical Review D},
We present new simulations of decaying hydromagnetic turbulence for a relativistic equation of state relevant to the early Universe. We compare helical and nonhelical cases either with kinetically ... 

Cross-helically forced and decaying hydromagnetic turbulence

We study the evolution of kinetic and magnetic energy spectra in magnetohydrodynamic flows in the presence of strong cross helicity. For forced turbulence, we find a weak inverse transfer of kineti

Dynamo effect in decaying helical turbulence

We show that in decaying hydromagnetic turbulence with initial kinetic helicity, a weak magnetic field eventually becomes fully helical. The sign of magnetic helicity is opposite to that of the kin

Production of relic gravitational waves and the baryon asymmetry of the universe by random hypermagnetic fields

We study the evolution of hypermagnetic fields (HMFs) in random plasma in the symmetric phase of the early universe. The system of kinetic equations for the spectra of the energy density and the

Simulating Relic Gravitational Waves from Inflationary Magnetogenesis

We present three-dimensional direct numerical simulations of the production of magnetic fields and gravitational waves (GWs) in the early universe during a low energy scale matter-dominated

Magnetic field production at a first-order electroweak phase transition

We study the generation of magnetic field seeds during a first-order electroweak phase transition, by numerically evolving the classical equations of motion of the bosonic electroweak theory on the

Tensor spectrum of turbulence-sourced gravitational waves as a constraint on graviton mass

We consider a generic dispersive massive gravity theory and numerically study its resulting modified energy and strain spectra of tensor gravitational waves (GWs) sourced by (i) fully developed

Low frequency tail of gravitational wave spectra from hydromagnetic turbulence

Hydrodynamic and magnetohydrodynamic (MHD) turbulence in the early Universe can drive gravitational waves (GWs) and imprint their spectrum onto that of GWs, which might still be observable today. We

Towards an all-orders calculation of the electroweak bubble wall velocity

We analyze Higgs condensate bubble expansion during a first-order electroweak phase transition in the early Universe. The interaction of particles with the bubble wall can be accompanied by the

Impact of hypermagnetic fields on relic gravitational waves, neutrino oscillations and baryon asymmetry

  • M. Dvornikov
  • Physics
    International Journal of Modern Physics D
  • 2022
We study the evolution of random hypermagnetic fields (HMFs) in the symmetric phase of the early universe before the electroweak phase transition. The behavior of HMFs is driven by the analog of the

Fluid Mechanics

Ludwig Krinner (Dated: November 5th 2012) Abstract This is a script made with the help of Landau Lifshitz, Book VI [1] on fluid mechanics, that gives a short introduction to basic fluid mechanics.

The asymptotic Hopf invariant and its applications

The classical Hopf invariant distinguishes among the homotopy classes of continuous mappings from the three-sphere to the two-sphere and is equal to the linking number of the two curves that are the

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