期刊
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
卷 49, 期 44, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1751-8113/49/44/445401
关键词
conformal field theory; conformal bootstrap; operator product expansion; statistical mechanics
资金
- Swarnajayanti fellowship, Govt. of India
In order to achieve a better analytic handle on the modern conformal bootstrap program, we re-examine and extend the pioneering 1974 work of Polyakov's, which was based on consistency between the operator product expansion and unitarity. As in the bootstrap approach, this method does not depend on evaluating Feynman diagrams. We show how this approach can be used to compute the anomalous dimensions of certain operators in the O(n) model at the Wilson-Fisher fixed point in 4 - epsilon dimensions up to O(epsilon(2)).
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