Publications

Elementary Particle Physics

- "The three loop QCD calculation of the moments of deep inelastic structure functions", S.A. Larin, P. Nogueira, T. van Ritbergen, J.A.M. Vermaseren, Nucl. Phys. B 492 (1997) 338-378.

- "Feynman diagram drawing made easy", M. Baillargeon, P. Nogueira, Nucl. Instr. and Meth. A389: 305-308 1997

Nuclear and Hadronic Physics

- � N p N: From quarks to the pion derivative coupling", P. Bicudo, J. Ribeiro Phys. Rev. C 55, 834 (1997).

- Repulsive core of NN S-wave scattering in a quark model with a condensed vacuum", P. J. A. Bicudo, L.S. Ferreira, C. M. Pl�cido and J. E. P. T. Ribeiro, Phys. Rev. C56 670-678(1997) 1640-1643.

- Nucleon resonances in deformed nuclei", L.S. Ferreira, E. Maglione, R. Liotta, Phys. Rev. Lett. 78 (1997) 1640-1643

Condensed Matter Physics

- "Instabilities of the Hubbard chain in a magnetic field", J.M.P. Carmelo, F. Guinea e P.D. Sacramento, Phys. Rev. B 55, 7565 (1997)

- Spin-density wave in Ising-coupled antiferromagnetic chains", J.P. Rodriguez, P.D. Sacramento e V.R. Vieira, Phys. Rev B 56, 13685 (1997).

- Haldane gap in the S = 1 Haldane-Shastry model", P.D. Sacramento e V.R. Vieira, Zeit. fur Physik B 103, 231 (1997).

- Gapless spectrum in a class of S = 1 exchange models with long-range interactions", P.D. Sacramento e V.R. Vieira, Journal of Physics: Condensed Matter 9, 10687 (1997)