From unphysical gluon and ghost propagators to physical glueball propagators (in the Gribov-Zwanziger picture): A not so trivial task?

David Dudal, Nele Vandersickel, Laurent Baulieu, Silvio P. Sorella, Marcelo S. Guimarães, Markus Q. Huber, Orlando Oliveira, Daniel Zwanziger

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    During recent years, a good agreement was found between the analytical derivation and the numerical simulation of the Landau gauge gluon and ghost propagators. We mention the Schwinger-Dyson and Gribov-Zwanziger formalism for the analytical work. Although the agreement between several approaches is nice, these propagators do not correspond to the relevant physical degrees of freedom. In the case of pure gauge theories, one should start to study the glueball correlators. We shall try to explain why it looks like a hard challenge to go from the unphysical to the physical propagators in the case of the Gribov-Zwanziger theory (but similar conclusions might hold for other approaches giving similar propagators).

    Original languageEnglish (US)
    Title of host publicationProceedings of Science
    StatePublished - 2010
    EventLight Cone 2010 on Relativistic Hadronic and Particle Physics, LC 2010 - Valencia, Spain
    Duration: Jun 14 2010Jun 18 2010

    Other

    OtherLight Cone 2010 on Relativistic Hadronic and Particle Physics, LC 2010
    CountrySpain
    CityValencia
    Period6/14/106/18/10

    Fingerprint

    ghosts
    propagation
    correlators
    gauge theory
    derivation
    degrees of freedom
    formalism
    simulation

    ASJC Scopus subject areas

    • General

    Cite this

    Dudal, D., Vandersickel, N., Baulieu, L., Sorella, S. P., Guimarães, M. S., Huber, M. Q., ... Zwanziger, D. (2010). From unphysical gluon and ghost propagators to physical glueball propagators (in the Gribov-Zwanziger picture): A not so trivial task? In Proceedings of Science [021]

    From unphysical gluon and ghost propagators to physical glueball propagators (in the Gribov-Zwanziger picture) : A not so trivial task? / Dudal, David; Vandersickel, Nele; Baulieu, Laurent; Sorella, Silvio P.; Guimarães, Marcelo S.; Huber, Markus Q.; Oliveira, Orlando; Zwanziger, Daniel.

    Proceedings of Science. 2010. 021.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Dudal, D, Vandersickel, N, Baulieu, L, Sorella, SP, Guimarães, MS, Huber, MQ, Oliveira, O & Zwanziger, D 2010, From unphysical gluon and ghost propagators to physical glueball propagators (in the Gribov-Zwanziger picture): A not so trivial task? in Proceedings of Science., 021, Light Cone 2010 on Relativistic Hadronic and Particle Physics, LC 2010, Valencia, Spain, 6/14/10.
    Dudal D, Vandersickel N, Baulieu L, Sorella SP, Guimarães MS, Huber MQ et al. From unphysical gluon and ghost propagators to physical glueball propagators (in the Gribov-Zwanziger picture): A not so trivial task? In Proceedings of Science. 2010. 021
    Dudal, David ; Vandersickel, Nele ; Baulieu, Laurent ; Sorella, Silvio P. ; Guimarães, Marcelo S. ; Huber, Markus Q. ; Oliveira, Orlando ; Zwanziger, Daniel. / From unphysical gluon and ghost propagators to physical glueball propagators (in the Gribov-Zwanziger picture) : A not so trivial task?. Proceedings of Science. 2010.
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    abstract = "During recent years, a good agreement was found between the analytical derivation and the numerical simulation of the Landau gauge gluon and ghost propagators. We mention the Schwinger-Dyson and Gribov-Zwanziger formalism for the analytical work. Although the agreement between several approaches is nice, these propagators do not correspond to the relevant physical degrees of freedom. In the case of pure gauge theories, one should start to study the glueball correlators. We shall try to explain why it looks like a hard challenge to go from the unphysical to the physical propagators in the case of the Gribov-Zwanziger theory (but similar conclusions might hold for other approaches giving similar propagators).",
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    AU - Dudal, David

    AU - Vandersickel, Nele

    AU - Baulieu, Laurent

    AU - Sorella, Silvio P.

    AU - Guimarães, Marcelo S.

    AU - Huber, Markus Q.

    AU - Oliveira, Orlando

    AU - Zwanziger, Daniel

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