暗能量和宇宙学CPT破坏（PPT讲稿，南京大学物理系：李明哲）

暗能量和宇宙学CPT破坏 李明哲 南京大学物理系 粒子-核-宇宙学联合研究中心

暗能量和宇宙学CPT破坏 李明哲 南京大学物理系 粒子-核-宇宙学联合研究中心

Outline 1, Brief review on dark energy models, cosmological constant or dynamical dark energy, current status 2, Interacting dark energy direct coupling: l(yy, Fa Fpo, Ggo,. propagates long range force, spoils the flatness of the potential of dark energy derivative coupling oo(y, Foa, gas) spin-dependent force, shift symmetry, guarantee the flatness of the potential, cosmological CPT violation 2 3, Model: L-0,W(B-D)L (B-LL F Fkt Av FuU em F 12 3 (B-L儿L (1/2) B-L) 1/2 B-L) Leptogenesis Anomaly for CMB 4. Conclusion

Outline 1, Brief review on dark energy models, cosmological constant or dynamical dark energy, current status 2, Interacting dark energy: direct coupling: propagates long range force, spoils the flatness of the potential of dark energy derivative coupling: spin-dependent force, shift symmetry, guarantee the flatness of the potential, cosmological CPT violation 3, Model:    B L L L J ~  ( − ) Leptogenesis Anomaly for CMB 4, Conclusion ( , , ,...)     O  F G ( , , ,...)    L  F F G G

Brief Review on Dark Energy Supernova Cosmology Project Accelerating Universe ->Dark Energy Knop et al. (2003) 1 王王到 班王 Supe Projec SN Ia sCP, hzt Calan/Tololo redshift Z LRG SS(2dfGRS SDSS.) 三 己 k [h Mpe-l1

SN Ia (SCP, HZT….) LSS (2dfGRS, SDSS…) Brief Review on Dark Energy Accelerating Universe ->Dark Energy

1965 Penzias and CMB experiments 1992 COBE WMAP Multipole moment I 10 00 布4000 1000 0.5° Angular Size

CMB experiments

1.0 0.8 74% Dark Energy 22% Dark Matter 0.2 4 Atoms 0.0 0.00.20.40.60.81.0 No antimatter Dark matter? Dark energy Why no antimatter?

Dark matter? Dark energy? Why no antimatter? …… No antimatter