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math-ph2001
Wick Power Series in Indefinite Metric Field Theories
A. G. Smirnov, M. A. Soloviev
The analytic aspects of the operator realization of Wick power series of infrared singular free fields are considered. Taking advantage of the holomorphy properties of the two-poin…
math-ph2001
Spectral Properties of Wick Power Series of a Free Field with an Indefinite Metric
A. G. Smirnov, M. A. Soloviev
The properties of infinite series in the Wick powers of a free field whose two-point correlation function has a singular infrared behavior and does not satisfy the positivity condi…