Classical blue-shift phenomenon
Classical blue-shift phenomenon. The spectrum tG(infeG(E))Gt_{G}({\rm \inf}^G_{e}(E))^GtG(infeG(E))G is vn−sG;Ev_{n-s_{G;E}}vn−sG;E-periodic for some positive integer sG;Es_{G;E}sG;E. When sG;E>ns_{G;E}>nsG;E>n, the vn−sG;Ev_{n-s_{G;E}}vn−sG;E-p…