Letteratura scientifica selezionata sul tema "Curci-Ferrari model"
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Articoli di riviste sul tema "Curci-Ferrari model":
LAVROV, PETER M. "REMARKS ON THE CURCI–FERRARI MODEL". Modern Physics Letters A 27, n. 22 (18 luglio 2012): 1250132. http://dx.doi.org/10.1142/s0217732312501325.
WSCHEBOR, NICOLÁS. "SOME NONRENORMALIZATION THEOREMS IN CURCI–FERRARI MODEL". International Journal of Modern Physics A 23, n. 19 (30 luglio 2008): 2961–73. http://dx.doi.org/10.1142/s0217751x08040469.
Gracey, J. A. "Two loop MS renormalization of the Curci–Ferrari model". Physics Letters B 525, n. 1-2 (gennaio 2002): 89–94. http://dx.doi.org/10.1016/s0370-2693(01)01420-4.
Browne, R. E., e J. A. Gracey. "The Curci–Ferrari model with massive quarks at two loops". Physics Letters B 540, n. 1-2 (luglio 2002): 68–74. http://dx.doi.org/10.1016/s0370-2693(02)02131-7.
Peláez, Marcela. "Massive gluons in Curci-Ferrari model for describing infrared QCD". EPJ Web of Conferences 274 (2022): 02002. http://dx.doi.org/10.1051/epjconf/202227402002.
Tripathi, A., A. K. Rao e R. P. Malik. "Superfield Approaches to a Model of Bosonic String: Curci-Ferrari-Type Restrictions". Advances in High Energy Physics 2022 (8 agosto 2022): 1–14. http://dx.doi.org/10.1155/2022/9505924.
GUPTA, SAURABH, e R. KUMAR. "AUGMENTED SUPERFIELD APPROACH TO NON-YANG–MILLS SYMMETRIES OF JACKIW–PI MODEL: NOVEL OBSERVATIONS". Modern Physics Letters A 28, n. 06 (22 febbraio 2013): 1350011. http://dx.doi.org/10.1142/s0217732313500119.
de Boer, Jan, Kostas Skenderis, Peter van Nieuwenhuizen e Andrew Waldron. "On the renormalizability and unitarity of the Curci-Ferrari model for massive vector bosons". Physics Letters B 367, n. 1-4 (gennaio 1996): 175–82. http://dx.doi.org/10.1016/0370-2693(95)01455-1.
Malik, R. P. "Nilpotent Symmetries of a Model of 2D Diffeomorphism Invariant Theory: BRST Approach". Advances in High Energy Physics 2022 (29 gennaio 2022): 1–14. http://dx.doi.org/10.1155/2022/8155214.
Gracey, J. A. "Three loop MS renormalization of the Curci–Ferrari model and the dimension two BRST invariant composite operator in QCD". Physics Letters B 552, n. 1-2 (gennaio 2003): 101–10. http://dx.doi.org/10.1016/s0370-2693(02)03077-0.
Tesi sul tema "Curci-Ferrari model":
Barrios, Nahuel. "Yang-Mills and Quantum Chromodynamics correlation functions from the Curci-Ferrari model at two-loop accuracy". Electronic Thesis or Diss., Institut polytechnique de Paris, 2022. http://www.theses.fr/2022IPPAX081.
Quantum Chromodynamics (QCD) is a well established gauge theory which describes the dynamics of quarks and gluons. At the analytical level, physical observables can be computed only after the gauge is fixed. The textbook procedure to do so is the Faddeev-Popov (FP) method, which introduces, as a byproduct, auxiliary non-physical fields known as ghosts. Moreover, the QCD gauge coupling becomes small at very high momenta, making of perturbation theory (PT) a suitable calculation tool within that region of momenta. The combination of the FP theory and PT has turned out to be extremely useful and has been tested experimentally in many occasions. However, in the opposite momentum range, the FP method is no longer fully valid due to the presence of Gribov copies. Consequently, in order to access QCD in the infrared, new approaches are needed.This thesis is devoted to one of such approaches: the Curci-Ferrari (CF) model in Landau gauge. It consists in a simple gluon mass extension of the FP theory. Its main motivation comes from the lattice simulations for correlation functions in the Landau gauge, which clearly indicate that the gluon acquire a mass in the deep infrared. In addition to this striking phenomenon, the lattice simulations feature a gauge coupling compatible with a perturbative analysis for the whole range of momenta, at least in the pure gauge - or Yang-Mills (YM) - sector. Thus, with the purpose of testing the model, several two- and three-point correlation functions have been perturbatively evaluated at one-loop order. In general terms, the results show a very good agreement with the lattice data. More recently, the two-point functions from the pure YM theory were evaluated at two-loop order, improving the agreement to lattice data. The goal of this thesis is to extend the two-loop calculations to other correlation functions. This is a way of further testing the perturbative use of the model as well as to clarify its limits.In the case of pure YM theory, we evaluate the ghost-antighost-gluon vertex and the three-gluon vertex in a particular kinematical configuration in four dimensions, for the SU(2) and SU(3) gauge groups. Both quantities emerge as a pure prediction of the CF model, since its two free parameters are determined by fitting the two-point functions. Broadly speaking, the predicted vertices are able to improve the agreement with their numerical counterparts in comparison with the one-loop correction. We also investigate the renormalization scheme dependence of our results, which shows consistency with the perturbative approach. As for the three-gluon vertex, the calculation allows us in particular to gain insight on the zero-crossing as well as to test an exact prediction for the leading behavior in the infrared.We end this investigation by computing the ghost, gluon and quark two-point functions in QCD, with two degenerate quark flavors. We fit them to available lattice data. Our evaluation is consistent with such data in all the cases, except for the quark mass function for light quarks. The result is particularly relevant for the quark dressing function, since the CF model is unable to reproduce the lattice data at one-loop order. This discrepancy is corrected by the two-loop evaluation, which agrees with the data both at a qualitative and quantitative level
Capitoli di libri sul tema "Curci-Ferrari model":
Reinosa, Urko. "Faddeev-Popov Gauge Fixing and the Curci-Ferrari Model". In Perturbative Aspects of the Deconfinement Transition, 11–35. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11375-8_2.
Reinosa, Urko. "Yang–Mills Deconfinement Transition from the Curci–Ferrari Model at Leading Order". In Perturbative Aspects of the Deconfinement Transition, 93–112. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11375-8_6.
Reinosa, Urko. "Yang-Mills Deconfinement Transition from the Curci-Ferrari Model at Next-to-Leading Order". In Perturbative Aspects of the Deconfinement Transition, 113–32. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11375-8_7.
Atti di convegni sul tema "Curci-Ferrari model":
Peláez, Marcela. "Chiral symmetry breaking in Curci-Ferrari model". In XV International Workshop on Hadron Physics. Trieste, Italy: Sissa Medialab, 2022. http://dx.doi.org/10.22323/1.408.0013.
Reinosa, Urko. "QCD at finite temperature and density from the Curci-Ferrari model". In Light Cone 2019 - QCD on the light cone: from hadrons to heavy ions. Trieste, Italy: Sissa Medialab, 2020. http://dx.doi.org/10.22323/1.374.0074.