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quant-ph2023★ 7 cited
A generalized scattering theory in quantum mechanics
Huai-Yu Wang
In quantum mechanics textbooks, a single-particle scattering theory is introduced. In the present work, a generalized scattering theory is presented, which can be in principle appl…
quant-ph2022★ 4 cited
The mathematical physical equations satisfied by retarded and advanced Green's functions
Huai-Yu Wang
In mathematical physics, time-dependent Green's functions (GFs) are the solutions of differential equations of the first and second time derivatives. Habitually, the time-dependent…