Dark Energy Perturbations 李明哲 南京大学物理学院 20111013中国科技大学交叉学科理论研究中心合肥
Dark Energy Perturbations 李明哲 南京大学物理学院 2011.10.13 中国科技大学交叉学科理论研究中心 合肥
Outline Importance of cosmological perturbations Dark energy models Dark energy perturbations Dark energy coupling to CMB photons I Dark energy coupling to CMB photons Conclusions
Outline • Importance of cosmological perturbations • Dark energy models • Dark energy perturbations • Dark energy coupling to CMB photons I • Dark energy coupling to CMB photons II • Conclusions
Importance of cosmological perturbations DAWN TIME inflation tiny fraction of a second 380,000 years years
Importance of cosmological perturbations
Inflation quantum fluctuation Primordial perturbation r, v,p, n, e, dm
Inflation quantum fluctuation Primordial perturbation , , , , ,dm... p n e
1965 CMB anisotropy COBE A WMAP
1965 COBE WMAP CMB anisotropy