Publications (mostly pedagogical) about Mechanical and Electromagnetic Systems
PAPERS

El reloj del electron (in Spanish)
(Enviado y rechazado a la Revista Española de Fisica, 2010) (pdf)

A simple model for inelastic collisions
(Am. J. Phys. 76, 1071 (2008)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

Falling elastic bars and springs
(Am. J. Phys. 75, 583 (2007)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)
See here the videoclips of animations attached to this paper.

A picture of this paper is the cover page of the July 2007 issue of the Am. J. Phys.

A home experiment in elasticity
(physics/0607051)(abstract-arXiv)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

A vueltas con el espin (in Spanish)
(Rev. Esp. de Fisica 20, no.3, 14 (2006)) (pdf)

Teaching about central forces
(Am. J. Phys. 72, 855 (2004)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

Circular orbits under central forces in Special Relativity
(physics/0407049) (abstract-arXiv)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

Linear momentum density in quasistatic electromagnetic systems
(Eur. J. Phys. 25, 555 (2004)) (pdf)
(physics/0404139) (abstract-arXiv)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

Delta-function converging sequences
(Am. J. Phys. 70, 180 (2002)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

Inertia forces and gauge invariance
(Eur. J. Phys. 22, L17 (2001)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

A composition law of the Lorentz group
(Proceedings of the International Workshop "Lorentz grooup, CPT and Neutrinos", Zacatecas, México
1999)
(in collaboration with J.M. Aguirregabiria and A. Hernandez) (pdf)

Regular order reductions of ordinary and delay-differential equations
(Comp. Physics Communications, 116, 95 (1999))
(physics/9810015) (abstract-arXiv)
(in collaboration with J.M. Aguirregabiria, Ll. Bel and A. Hernandez)

Order reductions of Lorentz-Dirac-like equations
(J. Phys. A Math. and Gen. , 30, L651 (1997)) (pdf)
(physics/9706017)(abstract-arxiv)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

Magnetic Braking Revisited
(Am. J. Phys. 65, 851 (1997)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

Shielding of an oscillating Electric field by a hollow conductor
(Am. J. Phys. 64, 1008 (1996)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

Surface charge and energy flow in a ring rotating in a magnetic field
(Am. J. Phys. 64, 892 (1996)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

The penetration of Electric fields produced by moving charges into a hollow conducting sphere
(Phys. Lett. A 198, 6 (1995)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

Are we careful enough when using Computer Algebra?
(Computers in Phys. 8, 56 (1994)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

Velocity fields inside a conducting sphere near a slowly moving charge
(Am. J. Phys. 62, 462 (1994)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

An example of surface charge distribution on conductors carrying steady currents
(Am. J. Phys. 60, 138 (1992)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

The Lienard-Wiechert potential and the retarded shape of a moving sphere
(Am. J. Phys. 60, 597 (1992)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

A note on the graphical representation of rotations
(Eur. J. Phys. 13, 139 (1992)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

Embedding of a Demianski cavity with small rotation parameter in a perturbation of a Friedmann universe
(J. Math. Phys., 31, 2204 (1990)) (pdf)
(in collaboration with J.M. Aguirregabiria, A. Chamorro and J.R. Etxebarria)

On Dynamical Equations and Conservation laws in Quasi-static Electromagnetic Systems
(Am. J. Phys. 58, 635 (1990)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

On the equilibrium configuration of point charges placed on an ellipse
(Computers in Phys. 4, 60 (1990)) (pdf)
(in collaboration with J.M. Aguirregabiria, A. Hernandez and M.A. Valle)

Composition law and contractions of the Poincaré group
(Eur. J. Phys. 7, 1 (1986)) (pdf)
(in collaboration with J.M. Aguirregabiria and M.A. Valle)

A Quantitative Analysis of the Trouton-Noble experiment
(Il Nuovo Cimento 72 B, 1 (1982)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

A Lewis-Tolman-like paradox
(Eur. J. Phys. 3, 30 (1982)) (pdf)
(in collaboration with J.M. Aguirregabiria and A. Hernandez)

A Relativistic Problem: The charge stability distribution on a conductor
(Am. J. Phys. 49, 501 (1981)) (pdf)
(in collaboration with A. Hernandez)

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