Far-from-equilibrium dynamics with broken symmetries from the 1/N expansion of the 2PI effective action
Aarts G, Ahrensmeier D, Baier R, Berges J, Serreau J (2002)
PHYSICAL REVIEW D 66(4): 045008.
Zeitschriftenaufsatz
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Autor*in
Aarts, G;
Ahrensmeier, D;
Baier, RudolfUniBi;
Berges, J;
Serreau, J
Abstract / Bemerkung
We derive the nonequilibrium real-time evolution of an O(N)-invariant scalar quantum field theory in the presence of a nonvanishing expectation value of the quantum field. Using a systematic 1/N expansion of the 2PI effective action to next-to-leading order, we obtain nonperturbative evolution equations which include scattering and memory effects. The equivalence of the direct method, which requires the resummation of an infinite number of skeleton diagrams, with the auxiliary-field formalism, which involves only one diagram at next-to-leading order, is shown.
Erscheinungsjahr
2002
Zeitschriftentitel
PHYSICAL REVIEW D
Band
66
Ausgabe
4
Art.-Nr.
045008
ISSN
0556-2821
eISSN
1089-4918
Page URI
https://pub.uni-bielefeld.de/record/1613655
Zitieren
Aarts G, Ahrensmeier D, Baier R, Berges J, Serreau J. Far-from-equilibrium dynamics with broken symmetries from the 1/N expansion of the 2PI effective action. PHYSICAL REVIEW D. 2002;66(4): 045008.
Aarts, G., Ahrensmeier, D., Baier, R., Berges, J., & Serreau, J. (2002). Far-from-equilibrium dynamics with broken symmetries from the 1/N expansion of the 2PI effective action. PHYSICAL REVIEW D, 66(4), 045008. https://doi.org/10.1103/PhysRevD.66.045008
Aarts, G, Ahrensmeier, D, Baier, Rudolf, Berges, J, and Serreau, J. 2002. “Far-from-equilibrium dynamics with broken symmetries from the 1/N expansion of the 2PI effective action”. PHYSICAL REVIEW D 66 (4): 045008.
Aarts, G., Ahrensmeier, D., Baier, R., Berges, J., and Serreau, J. (2002). Far-from-equilibrium dynamics with broken symmetries from the 1/N expansion of the 2PI effective action. PHYSICAL REVIEW D 66:045008.
Aarts, G., et al., 2002. Far-from-equilibrium dynamics with broken symmetries from the 1/N expansion of the 2PI effective action. PHYSICAL REVIEW D, 66(4): 045008.
G. Aarts, et al., “Far-from-equilibrium dynamics with broken symmetries from the 1/N expansion of the 2PI effective action”, PHYSICAL REVIEW D, vol. 66, 2002, : 045008.
Aarts, G., Ahrensmeier, D., Baier, R., Berges, J., Serreau, J.: Far-from-equilibrium dynamics with broken symmetries from the 1/N expansion of the 2PI effective action. PHYSICAL REVIEW D. 66, : 045008 (2002).
Aarts, G, Ahrensmeier, D, Baier, Rudolf, Berges, J, and Serreau, J. “Far-from-equilibrium dynamics with broken symmetries from the 1/N expansion of the 2PI effective action”. PHYSICAL REVIEW D 66.4 (2002): 045008.
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