Zobrazeno 1 - 10
of 928
pro vyhledávání: '"Kazakov, D."'
In this paper we calculate quantum corrections to the effective potential in different models of inflationary cosmology. We show that quantum corrections lead to a modification of the initial potential uplifting its value at the minimum, which can be
Externí odkaz:
http://arxiv.org/abs/2405.18818
Autor:
Kazakov, D. I.
The usual Bogolyubov R-operation works in non-renormalizable theories in the same way as in renormalizable ones. However, in the non-renormalizable case, the counter-terms eliminating ultraviolet divergences do not repeat the structure of the origina
Externí odkaz:
http://arxiv.org/abs/2311.01109
Autor:
Казаков, Д. А., Kazakov, D. A.
In the course of the work, the subject area was analyzed, an overview of analogues was made, on the basis of which a suitable development tool was selected, according to the formulation of the design problem, the processes of order acceptance and pro
Externí odkaz:
http://elar.urfu.ru/handle/10995/123614
In this paper, we have constructed quantum effective potentials and used them to study slow-roll inflationary cosmology. We derived the generalised RG equation for the effective potential in the leading logarithmic approximation and applied it to eva
Externí odkaz:
http://arxiv.org/abs/2308.03872
The RG equation for the effective potential in the leading log (LL) approximation is constructed which is valid for an arbitrary scalar field theory in 4 dimensions. The solution to this equation sums up the leading $\log\phi$ contributions to all or
Externí odkaz:
http://arxiv.org/abs/2209.08019
Autor:
Borlakov, A. T., Kazakov, D. I.
We consider UV divergences for the on-shell planar gluon-gluon scattering amplitudes in the gauge theory in arbitrary D-dimensions in the one-loop order. The amplitudes are evaluated using the standard Feynman diagram technique for several choices of
Externí odkaz:
http://arxiv.org/abs/2204.00789
Autor:
Bork, L. V., Kazakov, D. I.
We analyse the UV divergences for the scattering amplitude in the Wess-Zumino SUSY model with the quartic superpotential. Within the superfield formalism, we calculate the corresponding Feynman diagrams and evaluate their leading divergences up to 4
Externí odkaz:
http://arxiv.org/abs/2112.03091
Autor:
Kazakov, D. I.
The renormalization procedure is proved to be a rigorous way to get finite answers in a renormalizable class of field theories. We claim, however, that it is redundant if one reduces the requirement of finiteness to S-matrix elements only and does no
Externí odkaz:
http://arxiv.org/abs/2007.00948
In this article, we continue the investigation of hep-th 1611.02179 regarding iterative properties of dual conformal integrals in higher dimensions. In d=4, iterative properties of four and five point dual conformal integrals manifest themselves in t
Externí odkaz:
http://arxiv.org/abs/2002.05479
Autor:
Kazakov, D. I.
We suggest a novel view on non-renormalizable interactions. It is based on the usual BPHZ R-operation which is equally applicable to any local QFT independently whether it is renormalizable or not. As a playground we take the phi^4_D theory in D dime
Externí odkaz:
http://arxiv.org/abs/1904.08690