Rigo, A.; Casas, M.; Plastino, A., "On inferring the density matrix for a system of an unknown Hamiltonian", "Physical Review A", Volume 57, Pages 2319-2324, 1998. Paper.
Alcubierre, M.; Massó, J., "Pathologies of hyperbolic gauges in general relativity and other field theories", "Physical Review D", Volume 57, Pages 4511-4515, 1998. Paper.
P. Anninos; K. Camarda; J. Libson; J. Massó; E. Seidel; W.-M. Suen, "Finding Apparent Horizons in Dynamic 3D Numerical Spacetimes", "Physical Review D", Volume 58, Pages 024003-1-024003-12, 1998. Paper.
Rigo, A.; Casas, M.; Garcías, F.; Moya de Guerra, E.; Sarriguren, P., "Electronic-momentum distribution in deformed sodium clusters", "Physical Review B", Volume 57, Issue 19, Pages 11943-11946, 1998. Paper.
Casas, M.; Fujita, S.; de Llano, M.; Puente, A.; Rigo, A.; Solís, M.A., "The Cooper pair dispersion relation", "Physica C", Volume 295, Pages 93-100, 1998. Paper.
Casas, M.; Rigo, A.; Llano, M. de; Rojo, O.; Solís, M. A., "Bose-Einstein Condensation with a BCS Model Interaction", "Physics Letters A", Volume 245, Pages 55-61, 1998. Paper.
The Binary Black Hole Grand Challenge Alliance (Massó, J. et al), "Gravitational wave extraction and outer boundary conditions by perturbativematching", "Physical Review Letters", Volume 80, Pages 1812-1815, 1998. Paper.
The Binary Black Hole Grand Challenge Alliance (Massó, J. et al), "Boosted three-dimensional black-hole evolutions with singularity excision", "Physical Review Letters", Volume 80, Pages 2512-2516, 1998. Paper.
The Binary Black Hole Grand Challenge Alliance (Massó, J. et al), "Stable characteristic evolution of generic 3-dimensional single-black-hole spacetimes", "Physical Review Letters", Volume 80, Pages 2512-2516, 1998. Paper.
Rigo, A.; Casas, M.; Plastino, A., "Quantal Euclidean Mappings", "Physica A", Volume 253, Pages 247-259, 1998. Paper.