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pro vyhledávání: '"Hess, D. W."'
Autor:
Hess, D. W., Serene, J. W.
We compare the quasiparticle band structure for a model insulator obtained from the fluctuation exchange approximation (FEA) with the eigenvalues of the corresponding density functional theory (DFT) and local density approximation (LDA). The disconti
Externí odkaz:
http://arxiv.org/abs/cond-mat/9902360
We present calculations of the single-particle excitation spectrum for a 2D strong-coupling superconductor in a conserving approximation. Spectral weight at low frequency is substantially reduced as the superconducting transition is approached from t
Externí odkaz:
http://arxiv.org/abs/cond-mat/9808267
We report on a fully self-consistent determination of a phase transition to a superconducting state in a conserving approximation. The transition temperature calculated for a two-dimensional Hubbard model with an attractive interaction in the fluctua
Externí odkaz:
http://arxiv.org/abs/cond-mat/9706012
We present single-particle and thermodynamic properties of the half-filled single-band Hubbard model in 2D calculated in the self-consistent fluctuation exchange approximation. The low-energy excitations at moderate temperatures and small $U$ are qua
Externí odkaz:
http://arxiv.org/abs/cond-mat/9512084
We present fully self-consistent calculations in the fluctuation exchange approximation for the half-filled Hubbard model in 2D. A non-fermi liquid state evolves with decreasing temperature in this self-consistent model of coupled spin fluctuations a
Externí odkaz:
http://arxiv.org/abs/cond-mat/9512083
We present a massively parallel algorithm for calculating the self-energy in self-consistent finite temperature perturbation theory for lattice models. The algorithm uses analytic functions with appropriate asymptotic high frequency behavior and fast
Externí odkaz:
http://arxiv.org/abs/cond-mat/9411026
We present self-consistent calculations for the self-energy and magnetic susceptibility of the 2D and 3D symmetric Anderson lattice Hamiltonian, in the fluctuation exchange approximation. At high temperatures, strong f-electron scattering leads to br
Externí odkaz:
http://arxiv.org/abs/cond-mat/9404076
Autor:
Oosting, H. J., Hess, D. W.
Publikováno v:
Ecology, 1956 Jan 01. 37(1), 28-39.
Externí odkaz:
https://www.jstor.org/stable/1929666
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