Spin systems

• Supercurrent-induced domain wall motion
  P.D. Sacramento, L.C. Fernandes Silva, G.S. Nunes, M.A.N. Araujo and V.R. Vieira
  Physical Review B 83, 054403(2011).
• Spin torque on magnetic domain walls exerted by supercurrents
  P.D. Sacramento and M.A.N. Araujo
  European Physical Journal B 76, 251 (2010). DOI: 10.1140/epjb/e2010-00178-2
• Application of the stereographic projection to studies of magnetization dynamics described by the Landau-Lifshitz-Gilbert equation
  P.P. Horley, V.R. Vieira, P.D. Sacramento and V.K. Dugaev
  Journal of Physics A 42, 315211 (2009).
• Spin transport and spin torque in a magnetic nanowire with a non-collinear magnetic order
  J. Berakdar, V.K. Dugaev, V.R. Vieira, P.D. Sacramento, J. Barnas
  Journal of Physics: Conference Series 61, 105 (2007).
• Current-induced spin torque on a domain wall in a magnetic nanowire
  V.K. Dugaev, V.R. Vieira, P.D. Sacramento, J. Barnas, M.A.N. Araujo and J. Berakdar
  International Journal of Modern Physics B 21, 1659 (2007).
• Dynamics and domain growth in quantum spin systems
  V. Turkowski, V. Rocha Vieira and P.D. Sacramento
  in "Strongly Correlated Systems, Coherence and Entanglement",
  Eds. J.M.P. Carmelo, P.D. Sacramento, J.M.B. Lopes dos Santos and V. Rocha Vieira
  (World Scientific, Singapore, 2007).
• Spin transport in magnetic nanowires with domain walls
  V.K. Dugaev, M.A.N. Araujo, V. Rocha Vieira, P.D. Sacramento, J. Barnas and J. Berakdar
  in "Strongly Correlated Systems, Coherence and Entanglement",
  Eds. J.M.P. Carmelo, P.D. Sacramento, J.M.B. Lopes dos Santos and V. Rocha Vieira
  (World Scientific, Singapore, 2007).
• Current-induced motion of a domain wall in magnetic nanowires
  V.K. Dugaev, V.R. Vieira, P.D. Sacramento, J. Barnas, M.A.N. Araujo and J. Berakdar
  Physical Review B 74, 054403 (2006).
• Domain growth in the Heisenberg ferromagnet: Effective vector theory of the S=1/2 model
  V.M. Turkowski, P.D. Sacramento and V.R. Vieira
  Physical Review B 73, 214437 (2006).
• Spin accumulation, spin currents, and torque, in the problem of motion of a sharp domain wall in magnetic nanowires
  V.R. Vieira, V.K. Dugaev, P.D. Sacramento, J. Barnas, M.A.N. Araujo and J. Berakdar
  Physica Status Solidi (b) 243, 193 (2006).
• Coexistence of antiferromagnetism and superconductivity in the Anderson lattice
  P. D. Sacramento.
  Journal of Physics: Condensed Matter 15, 6285 (2003).
• Non-equilibrium properties of the S=1/2 Heisenberg model in a time-dependent magnetic field
  V. Turkowski, V. R. Vieira and P. D. Sacramento
  Physica A 327, 461 (2003).
• Spin dynamics of the S=1/2 antiferromagnetic zig-zag ladder with anisotropy
  P. D. Sacramento and V. R. Vieira.
  Journal of Physics: Condensed Matter 14, 591 (2002).
• Decoupling of the S=1/2 antiferromagnetic zig-zag ladder with anisotropy
  V. R. Vieira, N. Guihery, J. P. Rodriguez and P. D. Sacramento.
  Physical Review B 63, 224417 (2001).
• Spinor description of a general spin-J system
  V. R. Vieira and P. D. Sacramento.
  Procceedings of the International Conference on Mathematical Physics and Stochastic Analysis (in honor of Ludwig Streit 60th Birthday)
  (World Scientific), pag. 400 (2000).
• Curvature of levels and charge stiffness of one-dimensional spinless fermions
  N.M.R. Peres, P.D. Sacramento, D.K. Campbell and J.M.P. Carmelo
  Physical Review B 59, 7382 (1999).
• Spin-density wave in Ising-coupled antiferromagnetic chains
  J.P. Rodriguez, P.D. Sacramento and V.R. Vieira
  Physical Review B 56, 13685 (1997).
• Gapless spectrum in a class of S=1 exchange models with long-range interactions
  P.D. Sacramento and V.R. Vieira
  Journal of Physics: Condensed Matter 9, 10687 (1997).
• Haldane gap in the S = 1 Haldane-Shastry model
  P. D. Sacramento and V. R. Vieira
  Zeitschrift fur Physik B 103, 231 (1997).
• Haldane gap in a S=1 exchange model with long-range interactions
  P. D. Sacramento and V. R. Vieira
  Zeitschrift fur Physik B 101, 441(1996).
• Path integrals of spin-J systems in the holomorphic representation
  V.R. Vieira and P.D. Sacramento
  Nuclear Physics B 448 , 331 (1995).
• Generalized phase-space representatives of spin-J operators in terms of Bloch coherent states
  V.R. Vieira and P.D. Sacramento
  Annals of Physics 242, 188 (1995).
• Finite-temperature correlation functions of the Haldane-Shastry model
  P. D. Sacramento and V. R. Vieira
  Journal of Physics: Condensed Matter 7, 8619 (1995).
• Closed-form relations for phase-space representatives of spin-J operators
  V. R. Vieira and P. D. Sacramento
  Journal of Physics A Letters, 27 L783 (1994).
• Quantum Monte Carlo algorithms using coherent states
  V. R. Vieira and P. D. Sacramento
  Physica A 207, 584 (1994).
• Thermodynamics of the spin-S antiferromagnetic Heisenberg chain
  P. D. Sacramento
  Zeitschrift fur Physik B 84, 347 (1994).
• Thermodynamics of a spin-S' impurity in a spin-S antiferromagnetic Heisenberg chain
  P.D. Sacramento
  Journal of Physics Condensed Matter 5, 6999 (1993).
• Lateral interactions in catalyst poisoning
  J.B. Collins, P. Sacramento, P.A. Rikvold and J.D. Gunton
  Surface Science 221, 277 (1989)
• The Helmholtz free-energy functional for quantum spin-1/2 systems
  Pedro D. S. Sacramento and Vitor Rocha Vieira
  Journal of Physics C 21, 3099 (1988).