Beyond the Variational Principle in Quantum Field Theory
Lloyd CL Hollenberg
Australian Journal of Physics
48(1) 39 - 44
Published: 1995
Abstract
A method of summing diagrams in quantum field theory beyond the variational Gaussian approximation is proposed using the continuum form of the recently developed plaquette expansion. In the context of >-https://doi.org/10.1071/PH950039
© CSIRO 1995
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