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I propose a unified model of particle physic and cosmology based on both anew extension of the standard particle model and the fundamental principle ofthe standard cosmology. It can completely and coherently describe the universeevolution from the primordial inflation to the followed reheating, to thebaryogenesis, to the early hot expansion, to the later CDM condensation intothe current dark energy, namely, it can simultaneously account for the commonorigin of inflation, reheating, baryon asymmetry, dark matter, dark energy, andneutrino mass, in particular, it establishes the internal relations betweenthese processes and particle physics. For the evolution of each phase, I giveits complete dynamical system of equations and solve them by some specialtechniques, the numerical results clearly show how each process is successfullyimplemented, moreover, illustrate that the dark energy genesis is essentially areverse process of the slow-roll inflation. By use of fewer input parameters,the unified model not only perfectly reproduces the measured inflationary dataand the current energy density budget, but also finely predicts many importantquantities such as the tensor-to-scalar ratio$r_{0.05}\approx1.86\times10^{-7}$, the inflaton mass$M_{\Phi}\approx8.88\times10^{10}$ GeV, the reheating temperature$T_{re}\approx2.2\times10^{11}$ GeV, the CDM mass $M_{S}\approx256$ GeV,$\eta_{B}\approx6.14\times10^{-10}$ and $h\approx0.73$, and also it clarifiesand eliminates the ``Hubble tension". Finally, we expect the ongoing and futureexperiments to test the model.

A Unified Model of Particle Physics and Cosmology: Origin of Inflation, Dark Energy, Dark Matter, Baryon Asymmetry and Neutrino Mass