禁闭的解除夸克物质新物态 ◆压缩和加热核物 质可以使夸克解 除禁闭 李政道,1974; 叫③ ● Collins Perry, 1975) 高密夸克物质 ◆宇宙中存在夸克物 质状态 ▲致密星体的内部存在 夸克物质 ▲大爆炸的最初几秒钟 高温夸克物质
禁闭的解除-夸克物质新物态 ◆ 压缩和加热核物 质可以使夸克解 除禁闭 (李政道,1974; Collins & Perry, 1975) ◆ 宇宙中存在夸克物 质状态 ▲致密星体的内部存在 夸克物质 ▲大爆炸的最初几秒钟 高密夸克物质 高温夸克物质
重核碰撞:高温夸克物质 核变成非常扁的圆盘两核相互穿越剧烈横向膨胀 最后阶段 Lorentz收缩因子y=100穿越时间<1 产生高温 较大体积内冷凝 m/c Au+Au对心碰撞→40x102eV~6 micro- Joule 人类听力灵敏度~10uerg=108 Joule 高温:万亿度(10K),可以把核子溶化
重核碰撞:高温夸克物质 核变成非常扁的圆盘 Lorentz收缩因子g=100 两核相互穿越 穿越时间< 1 fm/c 剧烈横向膨胀 产生高温 最后阶段: 较大体积内冷凝 Au+Au 对心碰撞 → 40x1012 eV ~ 6 micro-Joule 人类听力灵敏度 ~ 10-11 erg = 10-18 Joule 高温:万亿度( ),可以把核子溶化 12 10 K
Recorded Small Bang (RHIC-Star) End view of a collision of two 30 billion electron-volt gold beams in the STAR detector at the Relativistic Heavy lon Collider at Brookhaven national Laboratory, The beams travel in opposite directions at nearly the speed of light before colliding (Courtesy: Brookhaven national TAR Laboratory
Recorded Small Bang (RHIC-STAR) End view of a collision of two 30- billion electron-volt gold beams in the STAR detector at the Relativistic Heavy Ion Collider at Brookhaven National Laboratory, The beams travel in opposite directions at nearly the speed of light before colliding. (Courtesy: Brookhaven National Laboratory)
致密星中的低温夸克物质 quark-hybrid traditional neutron star N N+0+n npe,μ hyperon conduct neutron star ud.s marks ust color-superconducting strange quark matter 10°gm (u, d, s quarks) 10 g/cm 2sC CFL 2SC+ CFL-K 104g CFL-K CFL- T Hydroger strange star nucleon star R~10k 取自F. Weber, astro-ph007155
致密星中的低温夸克物质 取自 F. Weber, astro-ph/007155
解禁闭相变路线图 mO=<C20o0 Quarks and Gluons Deconfinemer 多 Ial trar Critical point? Q Hadrons Color Super CS Neutron stars conductor? Nuclei Density
解禁闭相变路线图