Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Justo, I. F."'
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
Publikováno v:
Phys. Rev. D 102, 033003 (2020)
The renormalization properties of two local BRST invariant composite operators, $(O,V_\mu)$, corresponding respectively to the gauge invariant description of the Higgs particle and of the massive gauge vector boson, are scrutinized in the $U(1)$ Higg
Externí odkaz:
http://arxiv.org/abs/2007.01770
Autor:
JUSTO, I. F.
Publikováno v:
Repositório Institucional da UFESUniversidade Federal do Espírito SantoUFES.
Made available in DSpace on 2018-08-01T22:29:35Z (GMT). No. of bitstreams: 1 tese_6064_.pdf: 975579 bytes, checksum: 6064b1fa05e7ea7074ec95da92cd370a (MD5) Previous issue date: 2012-08-17
A utilização de instrumentos ópticos de longo alcance
A utilização de instrumentos ópticos de longo alcance
Externí odkaz:
http://repositorio.ufes.br/handle/10/7433
Publikováno v:
Annals of Physics 422 (2020) 168324
In this paper, we treat the proper path integral quantization of the Yang-Mills-aether (YM-aether) system by dealing with the extra gauge copies in the Landau gauge. Within Gribov's prescription to get rid of such remaining gauge copies, we explicitl
Externí odkaz:
http://arxiv.org/abs/1802.07637
Autor:
Justo, I. F.
The content of the present thesis is based on the papers [arXiv:1510.07886 [hep-th]][arXiv:1505.02287 [hep-th]][arXiv:1401.6303 [hep-th]][arXiv:1309.1402 [hep-th]][arXiv:1305.4155 [hep-th]][arXiv:1212.1003 [hep-th]][arXiv:1210.4734 [hep-th]] and is d
Externí odkaz:
http://arxiv.org/abs/1709.00078
Publikováno v:
J. Phys. A: Math. Theor. 53 (2020) 065402
In this paper we take into account the existence of Gribov copies in a four-dimensional Yang-Mills theory in the Landau gauge with an effective Lorentz symmetry breaking, induced by the Carroll-Field-Jackiw (CFJ) term. The self consistent gap equatio
Externí odkaz:
http://arxiv.org/abs/1707.03694
Autor:
Canfora, F. E., Dudal, D., Justo, I. F., Pais, P., Salgado-Rebolledo, P., Rosa, L., Vercauteren, D.
Publikováno v:
Phys. Rev. C 96, 025202 (2017)
We employ a set of recent, theoretically motivated, fits to non-perturbative unquenched gluon propagators to check in how far double gluon exchange can be used to describe the soft sector of pp scattering data (total and differential cross section).
Externí odkaz:
http://arxiv.org/abs/1707.02109
Autor:
Capri, M. A. L., Dudal, D., Fiorentini, D., Guimaraes, M. S., Justo, I. F., Pereira, A. D., Mintz, B. W., Palhares, L. F., Sobreiro, R. F., Sorella, S. P.
Publikováno v:
Phys. Rev. D 94, 025035 (2016)
We present a local setup for the recently introduced BRST-invariant formulation of Yang-Mills theories for linear covariant gauges that takes into account the existence of gauge copies \`a la Gribov and Zwanziger. Through the convenient use of auxili
Externí odkaz:
http://arxiv.org/abs/1605.02610
Autor:
Capri, M. A. L., Dudal, D., Fiorentini, D., Guimaraes, M. S., Justo, I. F., Mintz, B. W., Palhares, L. F., Pereira, A. D., Sobreiro, R. F., Sorella, S. P.
Publikováno v:
Phys. Rev. D 93, 065019 (2016)
In this paper, we discuss the gluon propagator in the linear covariant gauges in $D=2,3,4$ Euclidean dimensions. Non-perturbative effects are taken into account via the so-called Refined Gribov-Zwanziger framework. We point out that, as in the Landau
Externí odkaz:
http://arxiv.org/abs/1512.05833
Autor:
Justo, I. F., Capri, M. A. L., Dudal, D., Gómez, A. J., Guimaraes, M. S., Sorella, S. P., Vercauteren, D.
This work presents concisely the results obtained from the analysis of the two-point function of the gauge field in the $SU(2)$ and $SU(2)\times U(1)$ gauge theories, in the Landau gauge, coupled to a scalar Higgs field in the fundamental or adjoint
Externí odkaz:
http://arxiv.org/abs/1506.09021