Introduction to Cosmology

Big Bang Nucleosynthesis 141 end of inflation (^2520) electroweak symmetry breaking quark hardon transition nucleosynthesis matt ...

142 Thermal History of the Universe 6.6 Baryosynthesis and Antimatter Generation In Equation (6.96) we noted that the ratio휂of t ...

Baryosynthesis and Antimatter Generation 143 the Solar System is matter. Since no gamma rays are produced in the interaction of ...

144 Thermal History of the Universe Second, there must be C and CP violation in the theory, as these operators change baryons in ...

Baryosynthesis and Antimatter Generation 145 Substituting this퐻and the expression in Equation (6.109) into Equation (6.108), the ...

146 Thermal History of the Universe by the time the Universe has cooled through the phase transition at푇GUT.Afterthat the baryon ...

Baryosynthesis and Antimatter Generation 147 Section 5.3 occur at the same rate in both directions of the arrow. To show this, o ...

148 Thermal History of the Universe On the other hand, following the observation of Villata [6], if one of the momenta refers to ...

Baryosynthesis and Antimatter Generation 149 Use the equation of relativistic kinematics [Equation (3.9)] to calculate the ener ...

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7 Cosmic Inflation The concordance FLRW Big Bang model describes a homogeneous and isotropic adiabatically expanding Universe, h ...

152 Cosmic Inflation 7.1 Paradoxes of the Expansion Particle Horizons. Recall the definition of the particle horizon, Equation ( ...

Paradoxes of the Expansion 153 Inserting this dependence into the integral on the right-hand side of Equation (7.4) we find 휎ph∝ ...

154 Cosmic Inflation σeh σph 5 here and now structures in place reionization recombination Big Bang Last Scattering decoupling 2 ...

Paradoxes of the Expansion 155 far from what we see today: matter is separated into galaxies of mass 10^12 푀⊙.The size of presen ...

156 Cosmic Inflation the domains would have to be separated bydomain walls,whicharetopological defects of space-time. Such domai ...

Paradoxes of the Expansion 157 Combining this mass with the number densities in Equations (6.76) and (7.15) the density paramete ...

158 Cosmic Inflation Thus the Universe at that time must have been flat to within 54 decimal places, a totally incredible situat ...

Consensus Inflation 159 In small-field models the field moves over a small (subPlanckian) distance. A gen- eral parametrization ...

160 Cosmic Inflation If we make the further approximation that the friction term in Equation (7.24) dominates,휙≪̈ 3 퐻휙̇, the equ ...