报告题目：Chirality, topology, and hydrodynamics
报 告 人：Yuji Hirono
Asia Pacific Center for Theoretical Physics
邀 请 人：易立 教授
报告时间：2018年11月8日(周四) 10点
报告地点：青岛校区N7 122报告厅
报告摘要：
The concept of “chirality” appears in various fields of science. In particle physics, massless fermions are characterized by chiralities (left- and right-handed ones). The conservation of chirality is broken by a quantum effect, called the chiral anomaly. Recent studies revealed that the chiral quantum anomaly gives rise to a new type of non-dissipative macroscopic transport phenomena, leading to the modification of the hydrodynamic theory. One such example is the Chiral Magnetic Effect (CME), which is the generation of an electric current along an applied magnetic field, in a chiral fluid where the number of left- and right-handed fermions are different. Experimentally, the CME is recently discovered in Dirac semimetals, and it is expected to occur at extremely high temperatures (~10^12 degrees) realized in ultra-relativistic heavy-ion collision experiments.
In this talk, I’ll give an introduction to this phenomena and discuss recent developments. A close relation of the CME with the topology of magnetic fields will be discussed. I’ll talk discuss novel dynamical phenomena that occur as a result of the coupling of chiral fluids to dynamical electromagnetic fields.
[1] D. E. Kharzeev, L. D. McLerran, and H. J. Warringa, Nucl.Phys. A803, 227 (2008); K. Fukushima, D. E. Kharzeev, and H. J. Warringa, Phys.Rev. D78, 074033 (2008).
[2] Q. Li, et al., Nature Physics 12, (2016): 550-554.
[3] Y. Hirono, D. E. Kharzeev and Y.Yin, Phys. Rev. Lett. 117, 172301 (2016) ;
[4] K. Hattori, Y. Hirono, H. U. Yee, and Y. Yin [arXiv:1711.08450];
[5] Y. Hirono, D. E. Kharzeev, and A. V. Sadofyev, Phys. Rev. Lett. 121, 142301 (2018).
报告人简介：
Yuji Hirono received a Ph. D. in Physics from the University of Tokyo in 2014. After that, he worked as a JSPS postdoctoral researcher at Stony Brook University and then as a research associate in Nuclear Theory Group at Brookhaven National Laboratory. Currently he is a leader of Junior Research Group at Asia Pacific Center for Theoretical Physics in South Korea. Yuji's research interests include QCD, Anomaly-induced chiral effects, heavy-ion collisions, topological defects, complex networks, non-equilibrium phenomena.
