On the spectrum of anomalous dimensions of composite operators in the scalar field theory
Zapiski Nauchnykh Seminarov POMI, Questions of quantum field theory and statistical physics. Part 21, Tome 374 (2010), pp. 136-169

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In the one-loop approximation the problem of the diagonalization of the mixing matrix is equivalent some quantum mechanical eigenvalue problem. For the illustration of this technik we consider two simplest examples of the scalar field theories. Bibl. – 27 titles.
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     author = {S. E. Derkachov and A. N. Manashov},
     title = {On the spectrum of anomalous dimensions of composite operators in the scalar field theory},
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S. E. Derkachov; A. N. Manashov. On the spectrum of anomalous dimensions of composite operators in the scalar field theory. Zapiski Nauchnykh Seminarov POMI, Questions of quantum field theory and statistical physics. Part 21, Tome 374 (2010), pp. 136-169. http://geodesic.mathdoc.fr/item/ZNSL_2010_374_a8/