S L A de Queiroz

Summary

Affiliation: Rio de Janeiro
Country: Brazil

Publications

  1. ncbi request reprint Correlation functions, free energies, and magnetizations in the two-dimensional random-field Ising model
    S L de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21945 970 Rio de Janeiro RJ, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 64:036117. 2001
  2. ncbi request reprint Field-driven transition in an Ising magnet with mixed interactions
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941 972 Rio de Janeiro, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 80:041125. 2009
  3. ncbi request reprint Nonequilibrium processes: driven lattice gases, interface dynamics, and quenched-disorder effects on density profiles and currents
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941 972 Rio de Janeiro RJ, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 78:031106. 2008
  4. ncbi request reprint Wavelet transforms in a critical interface model for Barkhausen noise
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 77:021131. 2008
  5. ncbi request reprint Roughness of time series in a critical interface model
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941 972 Rio de Janeiro RJ, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 72:066104. 2005
  6. ncbi request reprint Search for universal roughness distributions in a critical interface model
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941 972 Rio de Janeiro RJ, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 71:016134. 2005
  7. ncbi request reprint Dimensional crossover and universal roughness distributions in Barkhausen noise
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941 972 Rio de Janeiro, Rio de Janeiro, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 69:026126. 2004
  8. ncbi request reprint Finite-size investigation of scaling corrections in the square-lattice three-state Potts antiferromagnet
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21945 970 Rio de Janeiro RJ, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 65:056104. 2002
  9. ncbi request reprint Correlation functions in the two-dimensional random-field Ising model
    S L de Queiroz
    Instituto de Fisica, Universidade Federal Fluminense, Avenida Litorânea s n, Campus da Praia Vermelha, 24210 340 Niterói RJ, Brazil
    Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics 60:5191-7. 1999
  10. ncbi request reprint Critical line of honeycomb-lattice anisotropic Ising antiferromagnets in a field
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941 972 Rio de Janeiro, Rio de Janeiro, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 87:024102. 2013

Collaborators

Detail Information

Publications17

  1. ncbi request reprint Correlation functions, free energies, and magnetizations in the two-dimensional random-field Ising model
    S L de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21945 970 Rio de Janeiro RJ, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 64:036117. 2001
    ..From finite-size scaling and crossover arguments, coupled with numerical data, it is found that the width of P0(m) varies against (nonvanishing, but small) random-field intensity H0 as H(-3/7)(0)...
  2. ncbi request reprint Field-driven transition in an Ising magnet with mixed interactions
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941 972 Rio de Janeiro, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 80:041125. 2009
    ..Estimates of the thermal scaling exponent are very close to the Ising value y(T)=1 along the critical line, except near T=0 , where strong crossover effects prevent a reliable analysis...
  3. ncbi request reprint Nonequilibrium processes: driven lattice gases, interface dynamics, and quenched-disorder effects on density profiles and currents
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941 972 Rio de Janeiro RJ, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 78:031106. 2008
    ..All these are substantiated in numerical simulations...
  4. ncbi request reprint Wavelet transforms in a critical interface model for Barkhausen noise
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 77:021131. 2008
    ..Consideration of finite driving rates, still deep within the intermittent regime, shows the wavelet transform of correlations scaling as 1/f(1.5) for intermediate frequencies. This behavior is ascribed to intra-avalanche correlations...
  5. ncbi request reprint Roughness of time series in a critical interface model
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941 972 Rio de Janeiro RJ, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 72:066104. 2005
    ..We advance a plausible physical explanation for such a structure, which is broadly compatible with the observed numerical data. Connections to experiment are suggested...
  6. ncbi request reprint Search for universal roughness distributions in a critical interface model
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941 972 Rio de Janeiro RJ, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 71:016134. 2005
    ..Periodic, free, "window," and mixed boundary conditions are examined, with rather distinct results as regards quality of fits to 1/falpha distributions...
  7. ncbi request reprint Dimensional crossover and universal roughness distributions in Barkhausen noise
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941 972 Rio de Janeiro, Rio de Janeiro, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 69:026126. 2004
    ..Attempts to fit our data to the class of universality distributions associated to 1/f(alpha) noise give alpha approximately 1-1.1 for d=2 and 3 (provided that suitable boundary conditions are used in the latter case)...
  8. ncbi request reprint Finite-size investigation of scaling corrections in the square-lattice three-state Potts antiferromagnet
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21945 970 Rio de Janeiro RJ, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 65:056104. 2002
    ..00(1). This is at odds with earlier predictions, to the effect that the third relevant operator in the problem would give eta(P(stagg))=3, corresponding to the staggered polarization...
  9. ncbi request reprint Correlation functions in the two-dimensional random-field Ising model
    S L de Queiroz
    Instituto de Fisica, Universidade Federal Fluminense, Avenida Litorânea s n, Campus da Praia Vermelha, 24210 340 Niterói RJ, Brazil
    Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics 60:5191-7. 1999
    ..45, u approximately 0.8; f(x) appears to saturate when x-->infinity, thus implying W approximately h(kappa)(0) in d=2...
  10. ncbi request reprint Critical line of honeycomb-lattice anisotropic Ising antiferromagnets in a field
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941 972 Rio de Janeiro, Rio de Janeiro, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 87:024102. 2013
    ..e., at constant field) of finite length, starting at the zero-temperature end of the phase boundary. Other than that, we find no evidence of unusual behavior, at variance with the re-entrant features predicted in earlier studies...
  11. ncbi request reprint Current-activity versus local-current fluctuations in a driven flow with exclusion
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941 972 Rio de Janeiro RJ, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 86:041127. 2012
    ....
  12. ncbi request reprint Scaling behavior of a square-lattice Ising model with competing interactions in a uniform field
    S L A de Queiroz
    Rudolf Peierls Centre for Theoretical Physics, University of Oxford, 1 Keble Road, Oxford OX1 3NP, United Kingdom
    Phys Rev E Stat Nonlin Soft Matter Phys 84:031132. 2011
    ..For higher fields, on the line separating row-shifted (2×2) and disordered phases, we find values of the exponent η very close to zero...
  13. ncbi request reprint Universal and nonuniversal amplitude ratios for scaling corrections on Ising strips
    S L A de Queiroz
    Rudolf Peierls Centre for Theoretical Physics, University of Oxford, 1 Keble Road, Oxford OX1 3NP, United Kingdom
    Phys Rev E Stat Nonlin Soft Matter Phys 84:031107. 2011
    ..Such apparently universal behavior is not maintained upon changes in S or interaction range...
  14. ncbi request reprint Finite-size scaling behavior in trapped systems
    S L A de Queiroz
    Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941 972 Rio de Janeiro, RJ, Brazil
    Phys Rev E Stat Nonlin Soft Matter Phys 81:051122. 2010
    ..For high fields ℓ ≲ L, correlation-length scaling data broadly confirm an existing picture of p-dependent characteristic exponents. Standard spin-1/2 and spin-1 Ising systems are considered, as well as the Blume-Capel model...
  15. ncbi request reprint Statistics of current-activity fluctuations in asymmetric flow with exclusion
    R B Stinchcombe
    Rudolf Peierls Centre for Theoretical Physics, University of Oxford, 1 Keble Road, Oxford OX1 3NP, United Kingdom
    Phys Rev E Stat Nonlin Soft Matter Phys 85:041111. 2012
    ..These are confirmed, to excellent degree of accuracy, by numerical simulations. Further exact expressions and asymptotic approximations are provided for probability distributions and generating functions...
  16. ncbi request reprint Driven flow with exclusion and transport in graphenelike structures
    R B Stinchcombe
    Rudolf Peierls Centre for Theoretical Physics, University of Oxford, 1 Keble Road, Oxford OX1 3NP, United Kingdom
    Phys Rev E Stat Nonlin Soft Matter Phys 88:042133. 2013
    ..We also numerically treat ribbons of general width. We examine the adequacy of this model to the description of electronic transport in carbon nanotubes and nanoribbons or specifically designed quantum-dot arrays. ..
  17. doi request reprint Domain-wall theory and nonstationarity in driven flow with exclusion
    R B Stinchcombe
    Rudolf Peierls Centre for Theoretical Physics, University of Oxford, 1 Keble Road, Oxford OX1 3NP, England, United Kingdom
    Phys Rev E 94:012105. 2016
    ..Nevertheless, significant quantitative agreement can be found between several additional domain-wall theory predictions and numerics. ..