ILLUSTRATING THE SPECTRAL FORM OF THE c-THEOREM
- 7 March 1991
- journal article
- Published by World Scientific Pub Co Pte Ltd in Modern Physics Letters A
- Vol. 6 (7) , 531-541
- https://doi.org/10.1142/s0217732391000555
Abstract
The sum rule where c1(μ, Λ) is the spectral function in the Lehmann representation of the correlator has recently been derived for renormalizable field theories in two dimensions. We test this sum rule in three examples: the large-m limit of minimal models, the scaling Lee-Yang model and the Schwinger model.Keywords
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