PPT《量子色动力学的凝聚态物理》

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0 spin polar CSL CFL 2SC Two-gap structure breaks BCS-ratioExponential suppression factor in CSL from angular integral (Zero temperature)transition temperature) Schmitt, Wang, Rischke, PRD(2003) Mixing of gluon and photon in CSCNew electric charge and 8th color chargeNew photon and gluonNew coupling constant 光子与胶子的迈斯纳质量 与弱电模型比较 计算方法 Nambu-Gorkov basis: Calculate polarization tensor diagonalization Rotated photon can penetrate into 2SC and CFL: no EM Meissner effectRotated photon in CSL phases has a non-vanishing mass: EM Meissner effectSince , in weak couplings, spin-1 color-superconductor (CSL or polar phase) a type-I superconductor 迈斯纳质量:结果总结 Schmitt, QW, Rischke, PRL(2003) 色超导与电超导的比较 强耦合与弱耦合色超导 强耦合(BEC)情形 弱耦合(BCS)情形 BEC和BCS配对的差别 fermionic bosonic Eb T dependence EF dependence T independent EF independent 模型计算结果 能隙和有效化学势 费米子和玻色子数密度 x是BEC-BCS转换参数x0, BEC区域 Deng, Schmitt, Wang, nucl-th/0611097 模型计算结果 费米与玻色量子液体 Atomic systemsAtomic BEC (1995): Weakly interacting bose gasFermionic atom gas Condensed matter systemSuperconductor (1911)4He (1937), 3He (1971)High-Tc superconductor (1987) 1021cm-3 1012cm-3 1nK 100K Density Temp. To bridge different regimes…Weak interaction to strong interactionBosons to Fermions and vice versa 实验装置 Efficient loading into the optical trap: ~

107 thermal atoms Time Evolution Absorption images 新思想:规范场/弦对应 RHIC结果表明QGP是强耦合理想流体,sQGP.sQGP的 ,理想流体行为.高能粒子在sQGP中传播导致能损 粒子产生受到介质的影响.小爆炸的膨胀冷却 :: 宇宙大爆炸膨胀强子产生 :: 星系的产生 用AdS/CFT描述 弯曲时空的膨胀, 与宇宙学的关系? 研究领域的特点 低温夸克物质特性的研究,重离子碰撞物理正在成长的粒子物理、核物理的新领域,与天体物理和凝聚态物理也有关联 谢谢大家!