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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. Beyond the SM, I introduce several species of darkfields with the dark symmetry of $Z_{2}\otimes Z'_{2}$, the inflation field,CDM and DE are of course included among them. The model can coherently andcompletely describe the origin and evolution of the universe from theprimordial inflation to the reheating, to the baryogenesis, to the current CDMand DE, and also the neutrino mass generation mechanism. For the energyevolution of each phase, I give its dynamical system of equations, and solvethem by some special techniques. The numerical results can clearly show howeach evolution is successfully implemented, furthermore, the model demonstratesthat the DE genesis is purely from the CDM condensation, which is essentially areverse process of the primordial slow-roll inflation, there is not theso-called ``cosmological constant energy". By use of fewer input parameters,the model not only exactly reproduces the measured inflationary data and thecurrent energy density budget, but also finely predicts such important valuesas the tensor-to-scalar ratio $r_{0.05}\approx1.68\times10^{-6}$, the inflatonmass $M_{\Phi}\approx5.05\times10^{10}$ GeV, the reheating temperature$T_{re}\approx8.29\times10^{10}$ GeV, the CDM mass $M_{S}\approx256$ GeV,$\eta_{B}\approx6.14\times10^{-10}$ and $h\approx0.73$, in particular, themodel smoothly clarifies and eliminates the ``Hubble tension". In short, theunified model newly establishes the deeper and closer relations betweenparticle physics and cosmology, therefore we expect the ongoing and futureexperiments to test the model.

A Unified Model of Particle Physics and Cosmology: Origin of Inflation, Baryogenesis, Neutrino Mass, CDM and Dark Energy