Low dimensional systems
-
Temperature dependence of charge transport in the half-filled 1D
Hubbard model
J. M. P. Carmelo and P. D. Sacramento
Physical Review B Letters 110, L201108 (2024).
-
Ising spin-1/2 XXZ chain's quantum problems beyond the spinon paradigm
J.M.P. Carmelo and P.D. Sacramento
Chaos 34, 072101 (2024).
-
Zigzag materials: Selective interchain couplings control the coexistence of one-dimensional physics and deviations from it
J. M. P. Carmelo, P. D. Sacramento, T. Stauber, and D. K. Campbell
Physical Review Research 5, 043058 (2023).
-
The role of q-spin singlet pairs of physical spins in the dynamical
properties of the spin-1/2 Heisenberg-Ising $XXZ$ chain
J.M.P. Carmelo and P. D. Sacramento
Nuclear Physics B 974, 115610 (2022).
-
One-particle spectral functions of the 1D Fermionic Hubbard model with
one fermion per site at zero and finite magnetic fields
J.M.P. Carmelo, T. Cadez and P.D. Sacramento
Physical Review B 103, 195129 (2021).
-
Bethe strings in the dynamical structure factor of the spin-1/2 Heisenberg
XXX chain
J. M. P. Carmelo, T. Cadez and P. D. Sacramento
Nuclear Physics B 960, 115175 (2020).
-
Pseudoparticle approach to 1D integrable quantum models
J.M.P. Carmelo and P. D. Sacramento
Physics Reports 749, 1 (2018).
-
Exponents of the spectral functions and dynamical structure factor of the 1D Lieb-Liniger Bose gas
J.M.P. Carmelo and P. D. Sacramento
Annals of Physics 369, 102 (2016).
-
Singularities of the Dynamical Structure Factors of the Spin 1/2 XXX
Chain at Finite Magnetic Field
J. M. P. Carmelo, P. D. Sacramento, J. D. P. Machado,
and D. K. Campbell
Journal of Physics Condensed Matter 27, 406001 (2015).
-
Spinon and eta-spinon correlation functions of the Hubbard chain
P.D. Sacramento, Y.C. Li, S.-J. Gu and J.M.P. Carmelo
European Physical Journal B 86, 507 (2013).
-
Zero finite-temperature charge stiffness within the half-filled 1D Hubbard model
J.M.P. Carmelo, Shi-Jian Gu and P. D. Sacramento
Annals of Physics 339, 484 (2013).
- Charge dynamics in half-filled Hubbard chains with finite on-site interaction
R.G. Pereira, K. Penc, S.R. White, P.D. Sacramento, J.M.P. Carmelo
Physical Review B 85, 165132 (2012).
- Finite energy spectral function of an anisotropic 2D system of coupled Hubbard chains
P. Ribeiro, P.D. Sacramento and K. Penc
Physical Review B 84, 045112 (2011).
- U(1) slave-particle study of the finite-temperature doped Hubbard model
in one and two dimensions
P. Ribeiro, P.D. Sacramento and M.A.N. Araujo
Annals of Physics 326, 1189 (2011), doi:10.1016/j.aop.2010.12.008
- The TTF finite-energy spectral features in photoemission of
TTF-TCNQ: The Hubbard-chain description
D. Bozi, J. M. P. Carmelo, K. Penc and P. D. Sacramento
Journal of Physics Condensed Matter, Fast Track Communication 20, 022205 (2008).
- Correlation effects in one-dimensional systems
J.M.P. Carmelo, P.D. Sacramento, D. Bozi and L.M. Martelo
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).
- Dynamical and spectral properties of low dimensional materials
J.M.P. Carmelo, P.D. Sacramento, D. Bozi and L.M. Martelo
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).
- The Hubbard model description of the photoemission TCNQ singular features
J. M. P. Carmelo, K. Penc, P. D. Sacramento, M. Sing and R. Claessen
Journal of Physics Condensed Matter 18, 5191 (2006).
- Application of the pseudofermion dynamical theory to the properties
of quasi-1D compounds
J.M.P. Carmelo, F. Guinea, K. Penc and P.D. Sacramento.
Physica B 359-361, 1427 (2005).
- Superconductivity driven by chain coupling and electronic correlations
J. M. P. Carmelo, F. Guinea, K. Penc and P. D. Sacramento.
Europhysics Letters 68, 839 (2004).
- One-electron singular branch lines of the
Hubbard chain
J. M. P. Carmelo, K. Penc, L. M. Martelo, P. D. Sacramento, J. M. B. Lopes
dos Santos, R. Claessen, M. Sing and U. Schwingenschlogl.
Europhysics Letters 67, 233 (2004).
- One and two-electron spectral function line shapes in the
vicinity of the upper-Hubbard bands lower limits
J. M. P. Carmelo, L. M. Martelo and P. D. Sacramento
Journal of Physics: Condensed Matter 16, 1375 (2004).
- New method for evaluation of finite-energy few-electron
spectral function expressions
J.M.P. Carmelo, K. Penc, P.D. Sacramento and R. Claessen
Journal de Physique IV France 114, 45 (2004).
- Electronic structure of the quasi-one-dimensional organic
conductor TTF-TCNQ
M. Sing, U. Schwingenschlogl, R. Claessen, P. Blaha, J. M. P. Carmelo,
L. M. Martelo, P. D. Sacramento, M. Dressel and C. S. Jacobsen
Physical Review B 68, 125111 (2003)
- Finite-energy Landau liquid theory for the 1D
Hubbard model: Pseudoparticle energy bands and degree
of localization/delocalization
J. M. P. Carmelo and P. D. Sacramento
Physical Review B 68, 085104 (2003).
- Charge and spin transport in the 1D Hubbard model
N. M. R. Peres, P. D. Sacramento and J. M. P. Carmelo.
Journal of Physics: Condensed Matter 13, 5135 (2001).
- Finite-temperature transport in finite-size Hubbard rings in the
strong-coupling limit
N.M.R. Peres, R.G. Dias, P.D. Sacramento and
J.M.P. Carmelo
Physical Review B 61, 5169 (2000).
- Finite-frequency optical absorption in 1D conductors and
Mott-Hubbard insulators
J.M.P. Carmelo, N.M.R. Peres and P.D. Sacramento
Physical Review Letters 84, 4673 (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).
- Finite-energy spectral properties and charge transport in low-
dimensional electronic systems
J. M. P. Carmelo, N. M. R. Peres and P. D. Sacramento
Condensed Matter Theories, vol. 13, p. 227, Edited by
J. da Provid\^{e}ncia and F. B. Malik (Nova Science Publishers, 1998).
- Instabilities of the Hubbard chain in a magnetic field
J.M.P. Carmelo, F. Guinea
and P.D. Sacramento
Physical Review B 55, 7565 (1997).
- Thermodynamics of the attractive Hubbard chain
P. D. Sacramento
Journal of Physics: Condensed Matter 7, 143 (1995).
- Spin and charge susceptibilities of the attractive Hubbard chain
P.D. Sacramento
Physica C 235-240, 2159 (1994).