Expansions in generalized eigenfunctions of selfadjoint operators

Expansions in generalized eigenfunctions of selfadjoint operators
复制标题

自共轭算子的广义本征函数的展开

DOI:
--
复制
发表时间:
1989
期刊:
影响因子:
--
通讯作者:
J. Weidmann
J. Weidmann
中科院分区:
--
文献类型:
--
作者:
Thomas Poerschke;G. Stolz;J. Weidmann

文献摘要

被引文献

相似文献

设一个量子力学系统处于归一化态f,测量用H表示的可观测量,在连续谱中找到a(n)的概率为I~(2),找到a(2)的概率密度为Ic~(2)l ~ 2。B)例如,设H = A + V是一个单体哈密顿量(即,对于[x]-.oo,V(x)~ 0)。我们期望T~是有界的或最多是缓慢增加的(对于V=0的平面波)。另一方面,对于值E$a(H),(--A + V)T = E 7 ~的解T应该在无穷远处快速(指数)增长。这些知识可以概括为
Let a quantum mechanical system be in the normalized state f; measuring the observable quantity which is represented by H, we have the probability I~.l 2 to find the value a(n) and the probability density to find a(2) in the continuous spectrum is Ic~(2)l 2. b) Let for example H = A + V be a one-body Hamiltonian (i.e. V(x) ~ 0 for [xJ--.oo). We expect the T~ to be bounded or at most slowly increasing (plane waves for V=0). On the other hand, for values E$a(H) the solutions T of (--A + V) T = E 7 ~ should grow fast (exponentially) at infinity. These conjectures can be summarized to