Figure C1: Overview of a Computable general equilibrium (CGE) model. Figure C2: Sectoral and Wayne Hubbard. Chief Operating Officer. MARKS &

We study the mean-field phase diagram of the repulsive Hubbard model in the Lieb lattice. Far from half-filling, the most stable phases are paramagnetism for low on-site interaction U/t and ferromagnetism for high U/t, as in the case of the mean-field phase diagram of the square lattice Hubbard model obtained by Dzierzawa (1991).

The European Physical Society (EPS) is a not for profit association whose members include 41 National Physical Societies in Europe, individuals from all fields of physics, and European research institutions. Our main results are the full phase diagrams for 2D t − t′ − U Hubbard model for t′ = 0 and t′ = −0.35t in Figs. 1 and 2, respectively. They were obtained for a system size so large that they are practically identical with the thermodynamic limit. The phase diagrams are remarkably rich and very diﬀerent from the correspond- Phase diagram of the asymmetric Hubbard model Pavol Farkašovský Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, 040 01 Košice, Slovakia Received 27 November 2007; published 12 February 2008 The ground-state phase diagram of the asymmetric Hubbard model is studied in one and two dimensions by FIG. 2. Phase diagrams of the Hubbard model.

Hubbard model phase diagram

Chao Zhanga and Heiko Rieger Theoretical Physics, Saarland University, 66123 Saarbruc ken, Germany Received 30 August 2019 / Received in nal form 13 December 2019 Published online 11 February 2020 c The Author(s) 2020. In this paper a brief review of the types of ideas which have been used to investigate the phase diagram of the Hubbard model is presented. No clear solution emerges although the competitions at work are established. Using the real-space Hartree-Fock approximation, the magnetic phase diagram of a ﬁve-orbital Hubbard model for the iron-based superconductors is studied varying the electronic density n in the range from ﬁve to seven electrons per transition metal atom. The Hubbard interaction U is also varied, at a ﬁxed Hund coupling J/U= 0.25.

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Quantum Phase Diagram of One-Dimensional Spin and Hubbard Models with Transitions to Bond Order Wave Phases† Manoranjan Kumar,a S. Ramasesha,b and Zoltán G. Soos c,* aS. N. Bose National Centre for Basic Sciences, Block-JD, Sector-III, Salt Lake, Kolkata-700098, India

Gottrup, F., Agren, M. S., Karlsmark, T. Models for use in wound healing Schwacha, M. G., Thobe, B. M., Daniel, T., Hubbard, W. J. Impact of thermal Differential Roles of Macrophages in Diverse Phases of Skin Repair. Silene as a model system in ecology and evolution. Das Gesetz der Verkürzung der vegetativen Phase in der Familie der Cactaceae.

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J. Freericks. Related Papers. Strong-coupling expansions for the pure and The phase diagram of the Hubbard model by V ariational Auxiliary Field quantum Monte Carlo Sandro Sorella SISSA – International School for Advanced Studies, Via Bonomea 265, 34136 T rieste The phase diagram of the d = 3 Hubbard model is calculated as a function of temperature and electron density hnii, in the full range of densities between 0 and 2 electrons per site, using renormalization-group theory.
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. O.4 — ' ' ' ' J I It For nonzero U, the magnetic susceptibility within the random-phase approximation (RPA) is given by the sum of particle-hole ladder diagrams' as 03— N0 0$ O~l o 0.2— N Q 0.1— 0 Pi s I & i & I. i «& I i w i I s ~ \J — 4 — 8 0 3 FIG. 2. Density of states for noninteracting electrons on a two-dimensional square The phase diagram of the Hubbard model. Full Record; Other Related Research; Abstract.

TN and Tc were calculated from the divergences of the antiferromagnetic and d-wave We study the ground state phase diagram of the two dimensional t - t' - U Hubbard model concentrating on the competition between antiferro-, ferro-, and paramagnetism. It is known that unrestricted Hartree-Fock- and quantum Monte Carlo calculations for this model predict inhomogeneous states in large regions of the parameter space.
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TYCHO-DIMENSIONAL HUBBARD MODEL: NUMERICAL.. . O.4 — ' ' ' ' J I It For nonzero U, the magnetic susceptibility within the random-phase approximation (RPA) is given by the sum of particle-hole ladder diagrams' as 03— N0 0$ O~l o 0.2— N Q 0.1— 0 Pi s I & i & I. i «& I i w i I s ~ \J — 4 — 8 0 3 FIG. 2. Density of states for noninteracting electrons on a two-dimensional square

Europhysics Letters (epl), 1994. Hartmut Monien.