The effective potential of the confinement order parameter in the Hamiltonian approach

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Abstract

The effective potential of the order parameter for confinement is calculated within the Hamiltonian approach by compactifying one spatial dimension and using a background gauge fixing. Neglecting the ghost and using the perturbative gluon energy one recovers the Weiss potential. From the full non-perturbative potential calculated within a variational approach a critical temperature of the deconfinement phase transition of 269 MeV is found for the gauge group SU(2). © 2012 Elsevier B.V.

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Reinhardt, H., & Heffner, J. (2012). The effective potential of the confinement order parameter in the Hamiltonian approach. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 718(2), 672–677. https://doi.org/10.1016/j.physletb.2012.10.084

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