ON CONSERVED CHARGES IN QUANTUM-FIELD THEORY

被引：0
|
作者：
DUNCAN, A
机构：
[1] Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh
来源：
NUCLEAR PHYSICS B | 1990年 / 342卷 / 03期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0550-3213(90)90329-C
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
The existence of infinite sets of conserved charges is shown in a wide class of quantum field theories. The charges can be constructed to be diagonal on either the asymptotic in- or out-states of the theory. In the case of factorizable theories, the in- and out-charges coincide. A procedure is given for the systematic computation of the charges order-by-order in perturbation theory. The method is applied (through second order) to a general nonrelativistic hamiltonian in one space dimension with two-body interactions. It is shown that in the classical limit one regains the conserved charges of the monodromy approach. © 1990.
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页码：625 / 642
页数：18
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