Time dependence of Lippmann-Schwinger states

被引：0

作者：

Dubey, RK ^{[1
]}

Menon, VJ ^{[1
]}

Tripathi, DN ^{[1
]}

机构：

[1] Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India

来源：

INDIAN JOURNAL OF PURE & APPLIED PHYSICS | 2005年 / 43卷 / 01期

关键词：

Schrodinger; Lippmann-Schwinger; epsilon; non-eigenstate; time evolution; Fermi's golden rule;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Due to the presence of an infinitesimal parameter c in the resolvent, the Lippmann-Schwinger states cannot be strict eigenstates of the Hamiltonian, and their time evolution is very non-trivial (in agreement with Fermi's golden rule). In sharp contrast, strict Schrodinger eigenstates cannot make transitions into free channels. Artefacts such as adiabatic switching, wave packets, or infinite time span are not needed in our analysis.

引用

页码：63 / 66

页数：4