对称能与非核子自由度及其它 蒋维洲 东南大学物理系 合作者:Bao-AnLi,陈列文、任中洲 学生:张广华、张东睿、杨荣瑶、向 仟飞 May 9, 2013@ USTC
May 9, 2013 @ USTC 对称能与非核子自由度及其它 蒋维洲 东南大学物理系 合作者:Bao-An Li,陈列文、任中洲 学生:张广华、张东睿、杨荣瑶、向 仟飞
Outline Introduction to quantum many-body approaches and the unsettled Renormalization, vacuum, dark energy? Real puzzle of symmetry energy or mal-definition Symmetry energy and quarks hyperons In neutron stars. effect of dark matter? Concluding remarks May 9, 2013@ USTC
May 9, 2013 @ USTC ➢ Introduction to quantum many-body approaches and the unsettled ➢ Renormalization, vacuum, dark energy? ➢ Real puzzle of symmetry energy or mal-definition? ➢ Symmetry energy and quarks & hyperons ➢ In neutron stars, effect of dark matter? ➢ Concluding remarks Outline
从宇宙大爆炸到黑洞形成 What Powered the Big Bang? Waves can Escape from 0-10-100s 宽= p Proton 质子 neutron After 1 Billion years 中子 中子墨R-1km)
May 9, 2013 @ USTC 从宇宙大爆炸到黑洞形成 10-10--100 s Proton neutron After 1 Billion years 中子星 质子 中子 黑洞 (R~10km)
核结构——量子多体问题 宏观模型、宏观-微观模型 准粒子、费米独立气体模型 Hartree Approximation Hartree-Fock(反对称化) Brueckner-Hartree-Fock (since 1960s Relativistic models( since 1970s Dirac旋量(大分量、小分量),自旋,膺 自旋对称性,极化散射 May 9, 2013@ USTC
May 9, 2013 @ USTC 核结构——量子多体问题 • 宏观模型、宏观-微观模型 • 准粒子、费米独立气体模型 • Hartree Approximation • Hartree-Fock (反对称化) • Brueckner-Hartree-Fock(since1960’s) • Relativistic models (since 1970’s) Dirac旋量(大分量、小分量),自旋,膺 自旋对称性,极化散射
Field-theoretic Hamiltonian approach H()=[d3xSm.091(x1) LLL is Lagrangian at 1=o0 OL 0(n/O) Omitting the retardation effect, the Hamiltonia n is H=d' xv(xirV+ M)v(x) +2∑dd((m7w0 1=o丌 May 9, 2013@ USTC
May 9, 2013 @ USTC Field-theoretic Hamiltonian approach = = + = − + = − = i i i i i i i d x d x x x x x x x i M x t L L t x t H t d x ( ) ( ) (1,2) ( ) ( ) 2 1 H d ( )( γ ) ( ) Omitting the retardation effect, the Hamiltonia n is ( / ) , L is Lagrangian, ( , ) ( ) 3 3 3 3