Umbral calculus, discretization, and quantum mechanics on a lattice

被引:24
作者
Dimakis, A [1 ]
MullerHoissen, F [1 ]
Striker, T [1 ]
机构
[1] INST THEORET PHYS, D-37073 GOTTINGEN, GERMANY
来源
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1996年 / 29卷 / 21期
关键词
D O I
10.1088/0305-4470/29/21/017
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
'Umbral calculus' deals with representations of the canonical commutation relations. We present a short exposition of it and discuss how this calculus can be used to discretize continuum models and to construct representations of Lie algebras on a lattice. Related ideas appeared in recent publications and we show that the examples treated there are special cases of umbral calculus. This observation then suggests various generalizations of these examples. A special umbral representation of the canonical commutation relations given in terms of the position and momentum operator on a lattice is investigated in detail.
引用
收藏
页码:6861 / 6876
页数:16
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