Ho-Ung Yee

Lorentz Invariance in Chiral Kinetic Theory

We show that Lorentz invariance is realized nontrivially in the classical action of a massless spin-1/2 particle with definite helicity. We find that the ordinary Lorentz transformation is modified by a shift orthogonal to the boost vector and the particle momentum. The shift ensures angular momentum conservation in particle collisions and implies a nonlocality of the collision term in the Lorentz-invariant kinetic theory due to side jumps. We show that 2/3 of the chiral-vortical effect for a uniformly rotating particle distribution can be attributed to the magnetic moment coupling required by the Lorentz invariance. We also show how the classical action can be obtained by taking the classical limit of the path integral for a Weyl particle.

Triangle anomaly in Weyl semimetals

Weyl semimetals possess massless chiral quasi-particles, and are thus aected by the triangle anomalies. We discuss the features of the chiral magnetic and chiral vortical eects specic to Weyl semimetals, and then propose three novel phenomena caused by the triangle anomalies in this material: 1) anomaly cooling; 2) charge transport by soliton waves as described by the Burgers’ equation, and 3) the shift of the BKT phase transition of superuid vortices coupled to Weyl fermions. In addition, we establish the conditions under which the chiral magnetic current exists in real materials.

Status of the chiral magnetic effect and collisions of isobars

Author(s): Koch, V; Schlichting, S; Skokov, V; Sorensen, P; Thomas, J; Voloshin, S; Wang, G; Yee, HU | Abstract:

Out-of-Equilibrium Chiral Magnetic Effect at Strong Coupling

© 2013 by American Physical Society, Physical Review D. The final publication is available at http://prd.aps.org/ doi: 10.1103/PhysRevD.88.025030

Jet quenching parameter of the quark-gluon plasma in a strong magnetic field: Perturbative QCD and AdS / CFT correspondence

We compute the jet quenching parameter

Anatomy of the chiral magnetic effect in and out of equilibrium

\stackrel{^}{q}

Charged elliptic flow at zero charge asymmetry

of a quark-gluon plasma in the presence of a strong magnetic field using perturbative QCD (pQCD) in the weakly coupled regime, and

Gradient Correction to Photon Emission Rate at Strong Coupling

\mathrm{AdS}/\mathrm{CFT}

Spin polarized photons and dileptons from axially charged plasma

correspondence in the strongly coupled regime of

Recent Theoretical Developments in Strongly Coupled QCD

\mathcal{N}=4