We consider reheating for a charged inflaton which is minimally coupled to electromagnetism. The evolution of such an induces time-dependent mass the photon. show how massive photon propagator can be expressed as spatial Fourier mode sum involving three different sorts functions, just like constant case. develop accurate analytic approximations these and use them approximate effective force exe...

The preheating process in the mixed Higgs-R2 model has been investigated depth recently, but analysis of perturbative reheating is still missing. In this paper, we discuss effect decay during (p)reheating model. It shown that can play an important role throughout whole process. Depending on parameters, affect different stages reheating. We study with and without presence early stage, calculate ...

An outbreak of COVID-19 cases among food and nutrition department employees at a hospital kitchen occurred because it was difficult to maintain physical spacing between staff. There is lack people during self-isolation. However, the must still operate 24 hours provide meals. This study aimed comprehensively evaluate plate waste, patient satisfaction, associated with cook-serve methods compared ...

We present a new scenario for the baryon number violation that may take place in models with large extra dimensions. Our idea is interesting because leptogenesis with a low reheating temperature requires an alternative source of the B + L violation to convert the produced leptons into baryons. If one considers a model with an intermediate compactification radius, the reheating temperature may b...

We study numerically the real-time history of the cosmological electroweak phase transition, as it may take place in the Standard Model or in MSSM for mH ∼mW according to recent lattice results. We follow the nucleated bubbles from the initial stages of acceleration and rapid growth, through collisions with compression waves resulting in slowing down and reheating to Tc, until the final stages ...

In this paper we point out that the cosmological baryon asymmetry in our universe is generated almost independently of the reheating temperature TR in Affleck-Dine leptogenesis and it is determined mainly by the mass of the lightest neutrino, mν1, in a wide range of the reheating temperature TR ≃ 105–1012 GeV. The present baryon asymmetry predicts the mν1 in a narrow region, mν1 ≃ (0.3– 1) × 10...

The dependence of the thermal pressure of hot galactic halos on a model parameter describing the frequency of major reheating episodes during galactic history is investigated. Pressure on the interface between interstellar medium and the halo gas is especially interesting, since empirical evidence here offers one of the simplest constraints on halo models. It is shown that two-phase model of Mo...