Yu zhou xue he xin wu li xue de jiao cha ling yu

Li Baojiu = 宇宙学和新物理学的交叉领域 / 李宝九.Thesis (M.Phil.)--Chinese University of Hong Kong, 2006.Includes bibliographical references (leaves 93-99).Text in English; abstracts in English and Chinese.Li Baojiu = Yu zhou xue he xin wu li xue de jiao cha ling yu / Li Baojiu.Chapter 1 --- Introduction --- p.1Chapter 1.1 --- Some Basic Conceptions in Cosmology --- p.2Chapter 1.1.1 --- "The Big Bang, Hubble's Law" --- p.2Chapter 1.1.2 --- The Cosmological Principle and Robertson-Walker Metric --- p.3Chapter 1.1.3 --- The Cosmological Redshift --- p.4Chapter 1.1.4 --- The Friedmann Equations --- p.4Chapter 1.2 --- Big Bang Nucleosynthesis --- p.5Chapter 1.3 --- Dark Energy --- p.9Chapter 2 --- "Branes, Varying Constants and BBN" --- p.16Chapter 2.1 --- A Brief Introduction to Theories Involving Extra Dimensions --- p.17Chapter 2.1.1 --- The Kaluza-Klein Theory --- p.18Chapter 2.1.2 --- Large Extra Dimensions --- p.19Chapter 2.1.3 --- Warped Extra Dimensions --- p.22Chapter 2.1.4 --- Universal Extra Dimensions --- p.24Chapter 2.1.5 --- Cosmology in a Brane World --- p.27Chapter 2.2 --- BBN and Varying Constants in Brane Models --- p.29Chapter 2.2.1 --- The Low Energy Effective Action in Brane Models --- p.30Chapter 2.2.2 --- BBN with a Varying Higgs VEV --- p.34Chapter 2.3 --- Numerical Results --- p.38Chapter 2.4 --- Discussion and Conclusions --- p.47Chapter 3 --- "Universal Extra Dimensions, Varying Constants and BBN" --- p.49Chapter 3.1 --- Introduction --- p.50Chapter 3.2 --- The Low Energy 4-Dimensional Effective Actions --- p.50Chapter 3.3 --- Radion Dependence of Fundamental Constants --- p.54Chapter 3.4 --- Variations of Quantities Relevant For BBN Calculation --- p.57Chapter 3.4.1 --- Neutron-proton Mass Difference --- p.57Chapter 3.4.2 --- Weak Interaction Rates --- p.58Chapter 3.4.3 --- Expansion Rate of the Universe --- p.58Chapter 3.4.4 --- Nuclear Reaction Rates --- p.59Chapter 3.5 --- Numerical Results --- p.64Chapter 3.6 --- Discussion and Conclusions --- p.70Chapter 4 --- Dark Energy as a Signature of Extra Dimensions --- p.74Chapter 4.1 --- Introduction --- p.75Chapter 4.2 --- The Underlying Higher Dimensional Theory --- p.75Chapter 4.3 --- The Cosmic Evolution in Different Eras --- p.79Chapter 4.3.1 --- The Blazing Era --- p.79Chapter 4.3.2 --- The Radiation Dominated Era --- p.83Chapter 4.3.3 --- The Matter Dominated Era --- p.84Chapter 4.4 --- A Realistic Cosmology --- p.85Chapter 4.5 --- Discussions and Conclusions --- p.92Bibliography --- p.9