Search Results - "Carmelo, J.M.P."
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Absence of high-temperature ballistic transport in the spin-1/2 XXX chain within the grand-canonical ensemble
Published in Nuclear physics. B (01-01-2017)“…Whether in the thermodynamic limit, vanishing magnetic field h→0, and nonzero temperature the spin stiffness of the spin-1/2 XXX Heisenberg chain is finite or…”
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Absence of ballistic charge transport in the half-filled 1D Hubbard model
Published in Nuclear physics. B (01-05-2018)“…Whether in the thermodynamic limit of lattice length L→∞, hole concentration mηz=−2Sηz/L=1−ne→0, nonzero temperature T>0, and U/t>0 the charge stiffness of the…”
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One-electron singular spectral features of the 1D Hubbard model at finite magnetic field
Published in Nuclear physics. B (01-01-2017)“…The momentum, electronic density, spin density, and interaction dependences of the exponents that control the (k,ω)-plane singular features of the σ=↑,↓…”
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One-particle spectral function singularities in a one-dimensional gas of spin-1/2 fermions with repulsive delta-function interaction
Published in Nuclear physics. B (01-05-2019)“…The momentum, fermionic density, spin density, and interaction dependencies of the exponents that control the (k,ω)-plane singular features of the one-fermion…”
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Pseudofermion dynamical theory for the spin dynamical correlation functions of the half-filled 1D Hubbard model
Published in Nuclear physics. B (01-03-2016)“…A modified version of the metallic-phase pseudofermion dynamical theory (PDT) of the 1D Hubbard model is introduced for the spin dynamical correlation…”
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Exponents of the spectral functions and dynamical structure factor of the 1D Lieb–Liniger Bose gas
Published in Annals of physics (01-06-2016)“…We study the (k,ω)-plane finite-energy line shape of the zero-temperature one-boson removal spectral function (ω<0), one-boson addition spectral function…”
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Finite-energy spectral-weight distributions of a 1D correlated metal
Published in Nuclear physics. B (10-10-2005)“…We derive general closed-form analytical expressions for the finite-energy one- and two-electron spectral-weight distributions of an one-dimensional correlated…”
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Erratum to: “Finite-energy spectral-weight distributions of a 1D correlated metal” [Nucl. Phys. B 725 (2005) 421]
Published in Nuclear physics. B (01-03-2006)Get full text
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The S O ( 3 ) × S O ( 3 ) × U ( 1 ) Hubbard model on a square lattice in terms of c and α ν fermions and deconfined η -spinons and spinons
Published in Annals of physics (01-03-2012)Get full text
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Pseudoparticle approach to 1D integrable quantum models
Published in Physics reports (27-07-2018)“…Over the last three decades a large number of experimental studies on several quasi one-dimensional (1D) metals and quasi 1D Mott–Hubbard insulators have…”
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Erratum to “The square-lattice quantum liquid of charge c fermions and spin-neutral two-spinon s1 fermions” [Nucl. Phys. B 824 (2010) 452]
Published in Nuclear physics. B (01-12-2010)Get full text
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The square-lattice quantum liquid of charge c fermions and spin-neutral two-spinon s1 fermions
Published in Nuclear physics. B (2010)“…The momentum bands, energy dispersions, and velocities of the charge c fermions and spin-neutral two-spinon s1 fermions of a square-lattice quantum liquid…”
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The SO(3)×SO(3)×U(1) Hubbard model on a square lattice in terms of c and αν fermions and deconfined η-spinons and spinons
Published in Annals of physics (01-03-2012)“…In this paper, a general description for the Hubbard model with nearest-neighbor transfer integral t and on-site repulsion U on a square lattice with Na2≫1…”
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Zero finite-temperature charge stiffness within the half-filled 1D Hubbard model
Published in Annals of physics (01-12-2013)“…Even though the one-dimensional (1D) Hubbard model is solvable by the Bethe ansatz, at half-filling its finite-temperature T>0 transport properties remain…”
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Global SO(3) x SO(3) x U(1) symmetry of the Hubbard model on bipartite lattices
Published in Annals of physics (15-08-2010)“…In this paper the global symmetry of the Hubbard model on a bipartite lattice is found to be larger than SO(4). The model is one of the most studied…”
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Global SO(3) × SO(3) × U(1) symmetry of the Hubbard model on bipartite lattices
Published in Annals of physics (01-08-2010)“…In this paper the global symmetry of the Hubbard model on a bipartite lattice is found to be larger than SO(4). The model is one of the most studied…”
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Spinon and η-spinon correlation functions of the Hubbard chain
Published in The European physical journal. B, Condensed matter physics (01-12-2013)“…We calculate real-space static correlation functions of spin and charge degrees of freedom of the one-dimensional Hubbard model that are described by operators…”
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The low-energy limiting behavior of the pseudofermion dynamical theory
Published in Nuclear physics. B (13-03-2006)“…In this paper we show that the general finite-energy spectral-function expressions provided by the pseudofermion dynamical theory for the one-dimensional…”
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