The second sound of SU(2)
The second sound of SU(2)
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DOI：
10.1088/1126-6708/2009/04/126
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发表时间：
2009-02
影响因子：
5.4
通讯作者：
C. Herzog;S. Pufu
中科院分区：
文献类型：
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作者：
C. Herzog;S. Pufu
利用AdS/CFT对应，计算了具有非交换SU（2）整体对称性的强相互作用系统在二阶相变附近的输运系数.从绿色的功能附近的相变的极点的行为，我们确定解析的第二声音的速度，电导率和扩散常数。我们讨论了这个系统和其他系统之间的相似性和差异，如p波超导体和液氦-3的矢量序参数。
Using the AdS/CFT correspondence, we calculate the transport coefficients of a strongly interacting system with a non-abelian SU(2) global symmetry near a second order phase transition. From the behavior of the poles in the Green's functions near the phase transition, we determine analytically the speed of second sound, the conductivity, and diffusion constants. We discuss similarities and differences between this and other systems with vector order parameters such as p-wave superconductors and liquid helium-3.