Publications (6)
Energy transmission in the forbidden bandgap of a nonlinear chain
F. Geniet, J. Leon
A nonlinear chain driven by one end may propagate energy in the forbidden band gap by means of nonlinear modes. For harmonic driving at a given frequency, the process ocurs at a th…
Variational Solution of the Gross-Neveu Model: finite and Renormalization
C. Arvanitis, F. Geniet, M. Iacomi +2
We show how to perform systematically improvable variational calculations in the Gross-Neveu model for generic , in such a way that all infinities usually plaguing such…
Variational Solution of the Gross-Neveu model I. the Large- Limit
C. Arvanitis, F. Geniet, A. Neveu
In this first paper we begin the application of variational methods to renormalisable asymptotically free field theories, using the Gross-Neveu model as a laboratory. This variatio…
Phase separation of polymer-bound particles induced by loop-mediated 1D effective long-range interactions
G. David, J. -C. Walter, C. P. Broedersz +5
The cellular cytoplasm is organized into compartments. Phase separation is a simple manner to create membrane-less compartments in order to confine and localize particles like prot…
Chiral Symmetry Breaking in QCD: A Variational Approach
C. Arvanitis, F. Geniet, J. -L. Kneur +1
We develop a "variational mass" expansion approach, recently introduced in the Gross--Neveu model, to evaluate some of the order parameters of chiral symmetry breakdown in QCD. The…
Nonlinear supratransmission in multicomponent systems
P. Anghel-Vasilescu, J. Dorignac, F. Geniet +2
A method is proposed to solve the challenging problem of determining the supratransmission threshold (onset of instability of harmonic boundary driving inside a band gap) in multic…