College of Pharmaceutical Sciences, Southwest University, Chongqing, China.
Research Interests: vortex optics; asymmetric assembly; chirality measurement; resonance energy transfer.

School of Mathematics and Statistics, Southwest University, Chongqing 400715, China.
Research Interests: asymmetry in nonlinear systems & mathematical physics; asymmetric variational problems and differential equation models; symmetry breaking in dynamical system mathematical modeling.
