Search Results - "Libero, V L"

Numerical Renormalization Group computation of temperature dependent specific heat for a two-channel Anderson model by Ferreira, J.V.B., Ferreira, A.I.I., Leite, A.H., Líbero, V.L.

“…The Numerical Renormalization Group (NRG) is applied to diagonalize a two-channel Anderson model describing a local magnetic impurity embedded in a fermionic…”
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Energy of bond defects in quantum spin chains obtained from local approximations and from exact diagonalization by Líbero, V.L., Capelle, K., Souza, F.C., Fávaro, A.P.

“…We study the influence of ferromagnetic and antiferromagnetic bond defects on the ground-state energy of antiferromagnetic spin chains. In the absence of…”
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Magnetic susceptibility of a two-channel Anderson model by Ferreira, João V.B, de Oliveira, Luiz N, Cox, Daniel L, Lı́bero, Valter L

“…Temperature-dependent magnetic susceptibility is calculated for a two-channel Anderson model, by using the numerical renormalization group plus an interleaving…”
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Non-Fermi liquid fixed points of a two-channel Anderson model by Ferreira, João V.B, de Oliveira, Luiz N, Cox, Daniel L, Lı́bero, Valter L

“…A generalized two-channel Anderson Hamiltonian is diagonalized via the numerical renormalization group. The spectrum shows non-Fermi liquid fixed point for…”
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Numerical renormalization-group computation of specific heats by Costa, S. C., Paula, C. A., Líbero, V. L., Oliveira, L. N.

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Energy of bond defects in quantum spin chains obtained from local approximations and from exact diagonalization by Libero, V. L, Capelle, K, Souza, F. C, Favaro, A. P

“…J. Magn. Magn. Mater 320, p. E418-E420 (2008) We study the influence of ferromagnetic and antiferromagnetic bond defects on the ground-state energy of…”
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Spectral density for fermion tunneling between two centers in a metallic environment by LIBERO, V. L, OLIVEIRA, L. N

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Magnetic susceptability of a two-channel Anderson model by Libero, V L, Ferreira, J V B, De Oliveira, L N, Cox, D L

“…Temperature-dependent magnetic susceptibility is calculated for a two-channel Anderson model, by using the numerical renormalization group plus an interleaving…”
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Spin-density functional theory: Some open problems and application to inhomogeneous Heisenberg models by Capelle, K., Líbero, Valter L.

“…Spin‐density functional theory (SDFT) is the most widely implemented and applied formulation of density functional theory. However, it is still finding novel…”
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Simple model for coupled magnetic and quadrupolar instabilities in uranium heavy-fermion materials by LIBERO, V. L, COX, D. L

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Generalized renormalization-group calculation of x-ray photoemission spectra for a simple metal by LIBERO, V. L, OLIVIERA, L. N

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A Simple Model for Coupled Magnetic and Quadrupolar Instabilities in Uranium Heavy-Fermion Materials by Libero, V. L, Cox, D. L

“…We present a mean-field calculation of the phase diagram of a simple model of localized moments, in the hexagonal uranium heavy-fermion compounds. The model…”
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Assisted tunneling in a fermionic bath: Numerical renormalization group calculations by Ramos, Luis R., Líbero, Valter L.

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Updating Monte Carlo algorithms by Drugowich de Felício, J. R., Líbero, Valter L.

“…Using the long‐range Ising model, we present modern Monte Carlo techniques—single and multiple histogram and entropic sampling—which permit increasing the…”
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Impurity and boundary effects in one- and two-dimensional inhomogeneous Heisenberg antiferromagnets by ASSIS, P. E. G, LIBERO, Valter L, CAPELLE, K

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Simple model for coupled magnetic and quadrupolar instabilities in uranium heavy-fermion materials by Libero, V.L., Cox, D.L.

“…We present a mean-field calculation of the phase diagram of a simple model of localized moments, in the hexagonal uranium heavy-fermion compounds. The model…”
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