%0 Book Section %1 statphys23_0508 %A Munoz, M.A. %A Dornic, I. %A Chate, H. %A Hammal, O. Al %A Delamotte, B. %A Canet, L. %B Abstract Book of the XXIII IUPAP International Conference on Statistical Physics %C Genova, Italy %D 2007 %E Pietronero, Luciano %E Loreto, Vittorio %E Zapperi, Stefano %K equations group langevin non-equilibrium non-perturbative phase renormalization statphys23 topic-3 transitions %T Non-Perturbative Nature of a Broad Class of Non-Equilibrium Phase Transitions %U http://st23.statphys23.org/webservices/abstract/preview_pop.php?ID_PAPER=508 %X In this talk I will construct a field theoretical (Langevin) description of a class of out-of-equilibrium phase transitions usually called parity conserving, directed-percolation 2 (DP2), or generalized voter class). The critical behavior of this type of systems is out of the reach of standard perturbative renormalization group approaches. I will illustrate how the theory can be renormalized by employing a non-perturbative method, leading to the conclusion that there exists a genuinely non-perturbative fixed point, i.e. a critical point which does not seem to be Gaussian in any dimension. Direct numerical integration of the Langevin equation confirms the renormalization-group predictions. References: O. Al Hammal, H. Chate, I. Dornic, and M.A. Munoz, Phys. Rev. Lett. 94, 230601 (2005). L. Canet, H. Chate, B. Delamotte, I. Dornic, and M.A: Munoz, Phys. Rev. Lett. 95, 100601 (2005). I. Dornic, H. Chate, and M. A. Munoz, Phys. Rev. Lett. 94, 100601 (2005).

@incollection{statphys23_0508, abstract = {In this talk I will construct a field theoretical (Langevin) description of a class of out-of-equilibrium phase transitions usually called parity conserving, directed-percolation 2 (DP2), or generalized voter class). The critical behavior of this type of systems is out of the reach of standard perturbative renormalization group approaches. I will illustrate how the theory can be renormalized by employing a non-perturbative method, leading to the conclusion that there exists a genuinely non-perturbative fixed point, i.e. a critical point which does not seem to be Gaussian in any dimension. Direct numerical integration of the Langevin equation confirms the renormalization-group predictions. References: O. Al Hammal, H. Chate, I. Dornic, and M.A. Munoz, Phys. Rev. Lett. 94, 230601 (2005). L. Canet, H. Chate, B. Delamotte, I. Dornic, and M.A: Munoz, Phys. Rev. Lett. 95, 100601 (2005). I. Dornic, H. Chate, and M. A. Munoz, Phys. Rev. Lett. 94, 100601 (2005).}, added-at = {2007-06-20T10:16:09.000+0200}, address = {Genova, Italy}, author = {Munoz, M.A. and Dornic, I. and Chate, H. and Hammal, O. Al and Delamotte, B. and Canet, L.}, biburl = {https://www.bibsonomy.org/bibtex/283c8d19b08df263084a16a5aa08e0f4b/statphys23}, booktitle = {Abstract Book of the XXIII IUPAP International Conference on Statistical Physics}, editor = {Pietronero, Luciano and Loreto, Vittorio and Zapperi, Stefano}, interhash = {3022d40b0bd0ea2a77dbde6d28b26c57}, intrahash = {83c8d19b08df263084a16a5aa08e0f4b}, keywords = {equations group langevin non-equilibrium non-perturbative phase renormalization statphys23 topic-3 transitions}, month = {9-13 July}, timestamp = {2007-06-20T10:16:22.000+0200}, title = {Non-Perturbative Nature of a Broad Class of Non-Equilibrium Phase Transitions}, url = {http://st23.statphys23.org/webservices/abstract/preview_pop.php?ID_PAPER=508}, year = 2007 }