Horava-Lifshitz early universe phase transition beyond detailed balance

Abstract

The early universe is believed to have undergone a QCD phase transition to hadrons at about $10\mu s$ after the big bang. We study such a transition in the context of the non-detailed balance Horava-Lifshitz theory by investigating the effects of the dynamical coupling constant $\lambda$ in a flat universe. The evolution of the relevant physical quantities, namely the energy density $\rho$, temperature $T$, scale factor $a$ and the Hubble parameter $H$ is investigated before, during and after the phase transition, assumed to be of first order. Also, in view of the recent lattice QCD simulations data, we study a cross-over phase transition of the early universe whose results are based on two different sets of lattice data.

14 pages, 11 figures, to appear in Eur. Phys. J. C. arXiv admin note: text overlap with arXiv:0912.2541, arXiv:0807.3066, arXiv:1005.3508, arXiv:1011.4230 by other authors

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• Emergent universe in Horava-Lifshitz-like F(R) gravity
• The quark chemical potential of QCD phase transition and the stochastic background of gravitational waves
• Planck scale effects on the stochastic gravitational wave background generated from cosmological hadronization transition: A qualitative study
• Shadows and photon rings of a spherically accreting Kehagias-Sfetsos black hole
• FLRW Cosmology with Horava-Lifshitz Gravity: Impacts of Equations of State
• Friedmann inflation in Horava-Lifshitz gravity with a scalar field
• Measurement of electrons from beauty-hadron decays in pp and Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV
• Minimal-supersymmetric extended inflation field in Horava-Lifshitz gravity
• Cosmological QCD phase transition in steady non-equilibrium dissipative Hořava-Lifshitz early universe
• Quark-hadron phase transition in massive gravity