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hep-th1997★ 1 cited
On Convergence of the Schwinger - DeWitt Expansion
V. A. Slobodenyuk
The Schwinger - DeWitt expansion for the evolution operator kernel of the Schrodinger equation is studied for convergence. It is established that divergence of this expansion which…
hep-th1997
Convergence of the Schwinger - DeWitt Expansion for Some Potentials
V. A. Slobodenyuk
It is studied time dependence of the evolution operator kernel for the Schrödinger equation with a help of the Schwinger -- DeWitt expansion. For many of potentials this expansion…