ABC-formula and R-operation for decay processes
High Energy Physics - Theory
2007-05-23 v1
Abstract
The vacuum expectation value of the evolution operator for a general class of Hamiltonians used in quantum field theory and statistical physics and which include unstable particles is considered. An exact formula which describes the large time behavior of the evolution operator is proved.
Keywords
Cite
@article{arxiv.hep-th/0604147,
title = {ABC-formula and R-operation for decay processes},
author = {Dmitrii V. Prokhorenko},
journal= {arXiv preprint arXiv:hep-th/0604147},
year = {2007}
}
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17 pages