Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Junqueira, O. C."'
Publikováno v:
Phys. Rev. D 102, 074029 (2020)
In this work we investigate the effects of the Gribov prescription to get rid of zero-modes of the Faddeev-Popov operator, at one-loop order in perturbation theory, in the Landau-DeWitt gauge. Quantum fluctuations are taken around a transverse backgr
Externí odkaz:
http://arxiv.org/abs/2008.09031
Autor:
Dudal, D., Felix, C. P., Junqueira, O. C., Montes, D. S., Pereira, A. D., Sadovski, G., Sobreiro, R. F., Tomaz, A. A.
We study the Gribov problem in four-dimensional topological Yang-Mills theories following the Baulieu-Singer approach in the (anti-)self-dual Landau gauges. This is a gauge-fixed approach that allows to recover the topological spectrum, as first cons
Externí odkaz:
http://arxiv.org/abs/1907.05460
Publikováno v:
Phys. Rev. D 98, 105017 (2018)
Quantum properties of topological Yang-Mills theory in (anti-)self-dual Landau gauge were recently investigated by the authors. We extend the analysis of renormalizability for two generalized classes of gauges; each of them depending on one gauge par
Externí odkaz:
http://arxiv.org/abs/1807.01517
Publikováno v:
Phys. Rev. D 98, 021701 (2018)
We prove that all connected n-point Green functions of four-dimensional topological Yang-Mills theories quantized in the (anti-)self-dual Landau gauges are tree-level exact, i.e. there are no radiative corrections in this gauge choice.
Comment:
Comment:
Externí odkaz:
http://arxiv.org/abs/1805.01850
Publikováno v:
Phys. Rev. D 96, 085008 (2017)
We reconsider the renormalizability of topological Yang-Mills field theories in (anti-)self-dual Landau gauges. By employing algebraic renormalization techniques we show that there is only one independent renormalization. Moreover, due to the rich se
Externí odkaz:
http://arxiv.org/abs/1707.06666
Autor:
Junqueira, O. C., Pereira, A. D., Sadovski, G., Santos, T. R. S., Sobreiro, R. F., Tomaz, A. A.
Publikováno v:
Eur.Phys.J. C77 (2017) no.4, 249
We show that the four-dimensional Lovelock-Cartan action can be derived from a massless gauge theory for the $SO(1,3)$ group with an additional BRST trivial part. The model is originally composed by a topological sector and a BRST exact piece and has
Externí odkaz:
http://arxiv.org/abs/1612.05590
Akademický článek
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Autor:
Junqueira, O. C.1 octavio@if.uff.br, Pereira, A. D.2 duarte763@gmail.com, Sadovski, G.1 gsadovski@if.uff.br, Santos, T. R. S.1 tiagoribeiro@if.uff.br, Sobreiro, R. F.1 sobreiro@if.uff.br, Tomaz, A. A.1,3 tomaz@cbpf.br
Publikováno v:
European Physical Journal C -- Particles & Fields. Apr2017, Vol. 77 Issue 4, p1-10. 10p.
Akademický článek
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