2PI functional techniques for abelian gauge theories (2008)
We summarize our recent work [1-3] concerning the formulation of two-particle-irreducible (2PI) functional techniques for abelian gauge field theories.
Ward Identities for the 2PI effective action in QED (2007)
We study the issue of symmetries and associated Ward-like identities in the context of two-particle-irreducible (2PI) functional techniques for abelian gauge theories. In the 2PI framework, the...
Kinetic equilibration in heavy ion collisions: The role of elastic processes (2006)
We study the kinetic equilibration of gluons produced in the very early stages of a high energy heavy ion collision in a ``self-consistent'' relaxation time approximation. We compare two scenarios...
On the microscopic dynamics of DCC formation (2006)
The dynamics of the pion field after a quench is studied in the framework of the linear sigma model. Our aim is to determine to what extent the amplified pion field resembles the DCC picture...
Nonperturbative renormalization for 2PI effective action techniques (2006)
Berges, J., Borsany, S., Reinosa, U., Serreau, J.
Nonperturbative approximation schemes based on two-particle irreducible (2PI) effective actions provide an important means for our current understanding of (non-)equilibrium quantum field theory. A...
Disoriented Chiral Condensate: Theory and Experiment (2005)
It is thought that a region of pseudo-vacuum, where the chiral order parameter is misaligned from its vacuum orientation in isospin space, might occasionally form in high energy hadronic or nuclear...
Photon Physics in Heavy Ion Collisions at the LHC (2005)
Arleo, F., Aurenche, P., Bopp, F., Dadic, I., David, G., Delagrange, H., ...
Various pion and photon production mechanisms in high-energy nuclear collisions at RHIC and LHC are discussed. Comparison with RHIC data is done whenever possible. The prospect of using...
Neutrino-nucleus interaction rates at a low-energy $\beta$-beam facility (2005)
We compute the neutrino detection rates to be expected at a low-energy beta-beam facility. We consider various nuclei as neutrino detectors and compare the case of a small versus large storage ring
Photon Physics in Heavy Ion Collisions at the LHC (2005)
Aurenche, Patrick, Kodolova, Olga, Lévai, Peter, Lokhtin, Igor P, Peitzmann, Thomas, Redlich, Krzysztof, ...
Various photon production mechanisms in high-energy nuclear collisions at the LHC are discussed and compared. The prospect of using electromagnetic probes to characterize quark-gluon plasma formation...
Photon Physics in Heavy Ion Collisions at the LHC (2005)
Aurenche, Patrick, Kodolova, Olga, Lévai, Peter, Lokhtin, Igor P, Peitzmann, Thomas, Redlich, Krzysztof, ...
Various photon production mechanisms in high-energy nuclear collisions at the LHC are discussed and compared. The prospect of using electromagnetic probes to characterize quark-gluon plasma formation...
Disoriented Chiral Condensate: Theory and Experiment (2005)
It is thought that a region of pseudo-vacuum, where the chiral order parameter is misaligned from its vacuum orientation in isospin space, might occasionally form in high energy hadronic or nuclear...
Nonperturbative renormalization for 2PI effective action techniques (2005)
Berges, J., Borsany, S., Reinosa, U., Serreau, J.
Nonperturbative approximation schemes based on two-particle irreducible (2PI) effective actions provide an important means for our current understanding of (non-)equilibrium quantum field theory. A...
Disoriented Chiral Condensate: Theory and Experiment (2005)
It is thought that a region of pseudo-vacuum, where the chiral order parameter is misaligned from its vacuum orientation in isospin space, might occasionally form in high energy hadronic or nuclear...
Nonperturbative renormalization for 2PI effective action techniques (2005)
Berges, J., Borsany, S., Reinosa, U., Serreau, J.
Nonperturbative approximation schemes based on two-particle irreducible (2PI) effective actions provide an important means for our current understanding of (non-)equilibrium quantum field theory. A...
Progress in nonequilibrium quantum field theory II (2004)
We review recent developments for the description of nonequilibrium quantum fields, continuing hep-ph/0302210.
Renormalized thermodynamics from the 2PI effective action (2004)
Berges, J., Borsanyi, Sz., Reinosa, U., Serreau, J.
High-temperature resummed perturbation theory is plagued by poor convergence properties. The problem appears for theories with bosonic field content such as QCD, QED or scalar theories. We calculate...
Photon Physics in Heavy Ion Collisions at the LHC (2004)
Arleo, F., Aurenche, P., Bopp, F., Dadic, I., David, G., Delagrange, H., ...
Various pion and photon production mechanisms in high-energy nuclear collisions at RHIC and LHC are discussed. Comparison with RHIC data is done whenever possible. The prospect of using...
Neutrino-nucleus interaction rates at a low-energy $\beta$-beam facility (2004)
We compute the neutrino detection rates to be expected at a low-energy beta-beam facility. We consider various nuclei as neutrino detectors and compare the case of a small versus large storage ring
Photon Physics in Heavy Ion Collisions at the LHC (2004)
Arleo, F., Aurenche, P., Bopp, F., Dadic, I., David, G., Delagrange, H., ...
Various pion and photon production mechanisms in high-energy nuclear collisions at RHIC and LHC are discussed. Comparison with RHIC data is done whenever possible. The prospect of using...
Neutrino-nucleus interaction rates at a low-energy $\beta$-beam facility (2004)
We compute the neutrino detection rates to be expected at a low-energy beta-beam facility. We consider various nuclei as neutrino detectors and compare the case of a small versus large storage ring
Photon Physics in Heavy Ion Collisions at the LHC (2003)
Arleo, F., Aurenche, P., Bopp, F., Dadic, I., David, G., Delagrange, H., ...
Various pion and photon production mechanisms in high-energy nuclear collisions at RHIC and LHC are discussed. Comparison with RHIC data is done whenever possible. The prospect of using...
Progress in Nonequilibrium Quantum Field Theory (2003)
We review recent developments for the description of far-from-equilibrium dynamics of quantum fields and subsequent thermalization.
Thermalization of fermionic quantum fields (2002)
Berges, J., Borsanyi, Sz., Serreau, J.
We solve the nonequilibrium dynamics of a 3+1 dimensional theory with Dirac fermions coupled to scalars via a chirally invariant Yukawa interaction. The results are obtained from a systematic...
Parametric resonance in quantum field theory (2002)
We present the first study of parametric resonance in quantum field theory from a complete next-to-leading order calculation in a 1/N-expansion of the 2PI effective action, which includes scattering...
Far-from-equilibrium dynamics with broken symmetries from the 2PI-1/N expansion (2002)
Aarts, G., Ahrensmeier, D., Baier, R., Berges, J., Serreau, J.
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...
A simple out-of-equilibrium field theory formalism ? (2001)
Gelis, F., Schiff, D., Serreau, J.
In this paper, we determine a condition of applicability of a very simple formalism for the calculation of a fast process taking place in a non-equilibrium medium, in which the particle distribution...
Kinetic equilibration in heavy ion collisions: The role of elastic processes (2001)
We study the kinetic equilibration of gluons produced in the very early stages of a high energy heavy ion collision in a ``self-consistent'' relaxation time approximation. We compare two scenarios...
Out-of-equilibrium phenomena in high energy nuclear collisions (2001)
In the first part we study the possibility that a Disoriented Chiral Condensate (DCC) forms when hot hadronic matter is quenched, using the linear sigma model. We formulate an original sampling...
On the microscopic dynamics of DCC formation (2000)
The dynamics of the pion field after a quench is studied in the framework of the linear sigma model. Our aim is to determine to what extent the amplified pion field resembles the DCC picture...
The Likelihood of DCC Formation (1998)
We estimate the probability that a disoriented chiral condensate forms during the spherical expansion of a hot medium described by the linear sigma model.