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2008

Non-perturbative construction of counterterms for 2PI-approximation

Patkos, A., Szep, Zs.

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A concise method is presented for the non-perturbative computation of the counterterms renormalising 2PI-actions.

The procedure is presented for a real scalar field up to lambda^2 order in the skeleton truncation of Gamma_2PI with respect to the self-coupling, and in a constant symmetry breaking background.
The method is easily generalizable to field theories with arbitrary global symmetry.

Non-perturbative construction of counterterms for 2PI-approximation · Around

Built on

H. van Hees and J. Knoll, Phys. Rev. D 65
2002
Earlier work this paper cites.
J.-P. Blaizot, E. Iancu and U. Reinosa, Phys. Lett. B568
2003
Earlier work this paper cites.
J. Berges, Sz. Borsányi, U. Reinosa and J. Serreau, Ann. Phys. 320
2005
Earlier work this paper cites.

Similar

A. Arrizabalaga and U. Reinosa, Nucl. Phys. A785
2007
Cited alongside, same era.
G. Fejős, A. Patkós and Zs. Szép, Nucl. Phys. A803
2008
Cited alongside, same era.
Sz. Borsányi and U. Reinosa arXiv:0809.0496; Sz. Borsányi (these Proceedings)
Original
Cited in the paper.
A. Jakovác, arXiv:0808.1800, and also in these Proceedings
Original
Cited in the paper.
A. Tranberg, arXiv:0806.3158, and also in these Proceedings
Original
Cited in the paper.

Then

A. Patkós and Zs. Szép, Nucl. Phys. A811
2008
Closest in time.
J. O. Andersen and T. Brauner, Phys. Rev. D 78
2008
Closest in time.

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