Four-loop plaquette in 3-D with a mass regulator

Torrero C, Di Renzo F, Miccio V, Laine M, Schroeder Y (2006)
In: PoS. 189.

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Konferenzbeitrag | Veröffentlicht | Englisch
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Abstract / Bemerkung
The QCD free energy can be studied by dimensional reduction to a three-dimensional (3d) effective theory, whereby non-perturbative lattice simulations become less demanding. To connect to the original QCD a perturbative matching computation is required, which is conventionally carried out in dimensional regularization. Therefore the 3d lattice results need to be converted to this regularization scheme as well. The conversion must be carried up to 4-loop order, where the free energy displays an infrared (IR) singularity. We therefore need a regulator which can be implemented both on the lattice and in the continuum computation. We introduce a mass regulator to perform Numerical Stochastic Perturbation Theory computations. Covariant gauge is fixed in the Faddeev-Popov scheme without introducing any ghost fields.
Stichworte
Erscheinungsjahr
Titel des Konferenzbandes
PoS
Seite
189
Konferenz
XXIIIrd International Symposium on Lattice Field Theory - LAT2005
Konferenzort
Trinity College, Dublin, Ireland
Konferenzdatum
2005-07-25-30
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Torrero C, Di Renzo F, Miccio V, Laine M, Schroeder Y. Four-loop plaquette in 3-D with a mass regulator. In: PoS. 2006: 189.
Torrero, C., Di Renzo, F., Miccio, V., Laine, M., & Schroeder, Y. (2006). Four-loop plaquette in 3-D with a mass regulator. PoS, 189.
Torrero, C., Di Renzo, F., Miccio, V., Laine, M., and Schroeder, Y. (2006). “Four-loop plaquette in 3-D with a mass regulator” in PoS 189.
Torrero, C., et al., 2006. Four-loop plaquette in 3-D with a mass regulator. In PoS. pp. 189.
C. Torrero, et al., “Four-loop plaquette in 3-D with a mass regulator”, PoS, 2006, pp.189.
Torrero, C., Di Renzo, F., Miccio, V., Laine, M., Schroeder, Y.: Four-loop plaquette in 3-D with a mass regulator. PoS. p. 189. (2006).
Torrero, Christian, Di Renzo, Francesco, Miccio, Vincenzo, Laine, Mikko, and Schroeder, York. “Four-loop plaquette in 3-D with a mass regulator”. PoS. 2006. 189.

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