Chiral Symmetry
  The exact classical solution of the equation of the motion for the Nambu-Goldstone fermion of the nonlinear representation of supersymmetry and its physical significance are discussed, which gives a new insight into the chiral symmetry of the standard model for the low energy particle physics. 
Kazunari Shima, Motomu Tsuda and Takeshi Okano
hep-th hep-ph