On quantization in background scalar fields

E. T. Akhmedov, E. N. Lanina, D. A. Trunin

We consider (0+1) and (1+1) dimensional Yukawa theory in various scalar field backgrounds, which are solving classical equations of motion: ${\ddot{\varphi }}_{cl}=0$ or $\square {\varphi }_{cl}=0$,…