Adiabatic-impulse approximation in non-Hermitian Landau-Zener Model

Xianqi Tong, Gao Xianlong, Su-peng Kou

We investigate the transition from PT-symmetry to PT-symmetry breaking and vice versa in the non-Hermitian Landau-Zener (LZ) models. The energy is generally complex, so the relaxat…