604 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR89 papers
- Universidade Federal do Rio de JaneiroBR50 papers
- Consejo Nacional de Investigaciones Científicas y TécnicasAR40 papers
- Louisiana State UniversityUS39 papers
- Universidad de MontevideoUY38 papers
- Universidad de Buenos AiresAR37 papers
- Universidad La RepúblicaCL37 papers
- Laboratoire de Physique Théorique de la Matière CondenséeFR31 papers
- Universidade Federal do Rio Grande do SulBR27 papers
- Universitat de ValènciaES25 papers
- Sorbonne UniversitéFR24 papers
- Universidad ORT UruguayUY24 papers
14 papers · 1 filter
Spatial patterns and scale freedom in a Prisoner's Dilemma cellular automata with Pavlovian strategies
H. Fort, S. Viola
A cellular automaton in which cells represent agents playing the Prisoner's Dilemma (PD) game following the simple "win-stay, loose-shift" strategy is studied. Individuals with bin…
Non Perturbative Renormalization Group, momentum dependence of -point functions and the transition temperature of the weakly interacting Bose gas
Jean-Paul Blaizot, Ramon Mendez Galain, Nicolas Wschebor
We propose a new approximation scheme to solve the Non Perturbative Renormalization Group equations and obtain the full momentum dependence of -point functions. This scheme invo…
Tetrads in Geometrodynamics
Alcides Garat
A new tetrad is introduced within the framework of geometrodynamics for non-null electromagnetic fields. This tetrad diagonalizes the electromagnetic stress-energy tensor and allow…
Random Delays and the Synchronization of Chaotic Maps
Cristina Masoller, Arturo C. Marti
We investigate the dynamics of an array of logistic maps coupled with random delay times. We report that for adequate coupling strength the array is able to synchronize, in spite o…
Consistent discretization and loop quantum geometry
Rodolfo Gambini, Jorge Pullin
We apply the ``consistent discretization'' approach to general relativity leaving the spatial slices continuous. The resulting theory is free of the diffeomorphism and Hamiltonian…
Upper bounds for fusion processes in collisions of weakly bound nuclei
L. F. Canto, R. Donangelo, H. D. Marta
We obtain upper limits for the contributions of the incomplete fusion and sequential complete fusion processes to the total fusion cross section. Through those upper bounds we find…
Generalized Quantum Walk in Momentum Space
A. Romanelli, A. Auyuanet, R. Siri +2
We consider a new model of quantum walk on a one-dimensional momentum space that includes both discrete jumps and continuous drift. Its time evolution has two stages; a Markov diff…
Chaos induced coherence in two independent food chains
Adriana Auyuanet, Arturo C. Marti, Raul Montagne
Coherence evolution of two food web models can be obtained under the stirring effect of chaotic advection. Each food web model sustains a three--level trophic system composed of in…
Higgs boson decays in the littlest Higss model
G. A. Gonzalez-Sprinberg, R. Martinez, J. -Alexis Rodriguez
We calculate the two body Higgs boson decays in the framework of the littlest Higgs model. The decay is computed at one loop level and, using previous results, we evalua…
Finite action principle for Chern-Simons AdS gravity
P. Mora, R. Olea, R. Troncoso +1
A finite action principle for Chern-Simons AdS gravity is presented. The construction is carried out in detail first in five dimensions, where the bulk action is given by a particu…
CP violation and electric-dipole-moment at low energy tau-pair production
J. Bernabeu, G. A. Gonzalez-Sprinberg, J. Vidal
CP violation at low energy is investigated at the tau electromagnetic vertex. High statistics at B factories, and on top of the Upsilon resonances, allows a detailed investigation…
Decoherence in the quantum walk on the line
A. Romanelli, R. Siri, G. Abal +2
We investigate the quantum walk on the line when decoherences are introduced either through simultaneous measurements of the chirality and particle position, or as a result of brok…
A relational solution to the problem of time in quantum mechanics and quantum gravity induces a fundamental mechanism for quantum decoherence
Rodolfo Gambini, Rafael Porto, Jorge Pullin
The use of a relational time in quantum mechanics is a framework in which one promotes to quantum operators all variables in a system, and later chooses one of the variables to ope…
Canonical quantum gravity and consistent discretizations
Rodolfo Gambini, Jorge Pullin
This is a summary of the talk presented by JP at ICGC2004. It covered some developments in canonical quantum gravity occurred since ICGC2000, emphasizing the recently introduced co…