436 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Consejo Nacional de Investigaciones Científicas y TécnicasAR144 papers
- Universidad Nacional de La PlataAR72 papers
- Universidad de ColimaMX41 papers
- Centro Científico Tecnológico - La PlataAR40 papers
- Institute for Complex SystemsIT23 papers
- Sapienza University of RomeIT22 papers
- University of TrentoIT18 papers
- Centre National de la Recherche ScientifiqueFR13 papers
- Instituto de Fisica de Liquidos y Sistemas BiologicosAR13 papers
- University of MichiganUS12 papers
- Cornell UniversityUS11 papers
- University of CambridgeGB11 papers
16 papers · 1 filter
Collocation method for fractional quantum mechanics
Paolo Amore, Francisco M. Fernández, Christoph P. Hofmann +1
We show that it is possible to obtain numerical solutions to quantum mechanical problems involving a fractional Laplacian, using a collocation approach based on Little Sinc Functio…
Accurate calculation of resonances for a central-field model potential
Francisco M. Fernández
We obtain accurate resonance energies for the Schrödinger equation with a central--field potential by means of a method based on a rational approximation to the logarithmic derivat…
Position-dependent exact-exchange energy for slabs and semi-infinite jellium
C. M. Horowitz, L. A. Constantin, C. R. Proetto +1
The position-dependent exact-exchange energy per particle (defined as the interaction between a given electron at and its exact-exchange hole) at metal surfa…
On a perturbation treatment of a model for MHD viscous flow
Francisco M. Fernández
We discuss the solution of a nonlinear ordinary differential equation that appears in a model for MHD viscous flow caused by a shrinking sheet. We propose an accurate numerical sol…
Quantum oscillations near the metamagnetic transition in Sr3Ru2O7
J. -F. Mercure, A. W. Rost, E. C. T. O'Farrell +8
We report detailed investigation of quantum oscillations in Sr3Ru2O7, observed inductively (the de Haas-van Alphen effect) and thermally (the magnetocaloric effect). Working at fie…
On the homotopy perturbation method for Boussinesq-like equations
Francisco M. Fernández
We comment on some analytical solutions to a class of Boussinesq-like equations derived recently by means of the homotopy perturbation method (HPM). We show that one may obtain exa…
The confined hydrogen atom with a moving nucleus
Francisco M. Fernandez
We study the hydrogen atom confined to a spherical box with impenetrable walls but, unlike earlier pedagogical articles on the subject, we assume that the nucleus also moves. We ob…
Numerical determination of the exponents controlling the relationship between time, length and temperature in glass-forming liquids
Chiara Cammarota, Andrea Cavagna, Giacomo Gradenigo +2
There is a certain consensus that the very fast growth of the relaxation time occurring in glass-forming liquids on lowering the temperature must be due to the thermally activa…
Variational collocation for systems of coupled anharmonic oscillators
Paolo Amore, Francisco M. Fernandez
We have applied a collocation approach to obtain the numerical solution to the stationary Schrödinger equation for systems of coupled oscillators. The dependence of the discretized…
The virial theorem for nonlinear problems
Paolo Amore, Francisco M Fernández
We show that the virial theorem provides a useful simple tool for approximating nonlinear problems. In particular we consider conservative nonlinear oscillators and a bifurcation p…
On some approximate methods for nonlinear models
Francisco M. Fernández
We show that recent applications of the homotopy perturbation method the Adomian decomposition method and the variational iteration method are completely useless for the treatment…
Surface tension fluctuations and a new spinodal point in glass-forming liquids
C. Cammarota, A. Cavagna, G. Gradenigo +2
The dramatic slowdown of glass-forming liquids has been variously linked to increasing dynamic and static correlation lengths. Yet, empirical evidence is insufficient to decide amo…
Comment on the numerical solutions of a new coupled MKdV system (2008 Phys. Scr. 78 045008)
Francisco M. Fernández
In this comment we point out some wrong statements in the paper by Inc and Cavlak, Phys. Scr. 78 (2008) 045008
Advertising and irreversible opinion spreading in complex social networks
Julián Candia
Irreversible opinion spreading phenomena are studied on small-world and scale-free networks by means of the magnetic Eden model, a nonequilibrium kinetic model for the growth of bi…
Quantum oscillations in the anomalous phase in Sr3Ru2O7
J. -F. Mercure, S. K. Goh, E. C. T. O'Farrell +7
We report measurements of quantum oscillations detected in the putative nematic phase of Sr3Ru2O7. Significant improvements in sample purity enabled the resolution of small amplitu…
Microscopic theory of the nematic phase in SrRuO
S. Raghu, A. Paramekanti, E. -A. Kim +4
In an externally applied magnetic field, ultra-pure crystals of the bilayer compound SrRuO undergo a metamagnetic transition below a critical temperature, , which…