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Full Record; Other Related Research 1989-11-01 2010-06-04 Superconductivity in a Hubbard-Fröhlich model and in cuprates T. M. Hardy, 1J. P. Hague,1,2 J. H. Samson, and A. S. Alexandrov1 1Department of Physics, Loughborough University, Loughborough LE11 3TU, United Kingdom 2Department of Physics and Astronomy, The Open University, Milton Keynes MK7 6AA, United Kingdom Received 3 February 2009; revised manuscript received 6 May 2009; published 2 … Superconductivity in the doped t-J and Hubbard model on the square lattice Hong-Chen Jiang Hong-Chen Jiang, Thomas Devereaux, arXiv:1806.01465 Hong-Chen Jiang, Zheng-Yu Weng, and Steven A. Kivelson, arXiv: 1805.11163 Recent progress in DMRG, tensor networks, and other numerical approaches to doped fermion systems have recently made substantial progress in revealing the gr 1990-11-01 Summary. We discuss concisely how the conventional Hubbard model and its generalizations (including phonons) might be good candidates for an explanation of high T c superconductivity, reviewing its properties both on crystals defined by conventional point groups and on non-Euclidean lattices. We also study the metal-insulator transition of the Hubbard model by treating the hopping term between We investigate the role of kinetic energy for the stability of superconducting state in the two-dimensional Hubbard model on the basis of an optimization variational Monte Carlo method. The wave function is optimized by multiplying by correlation operators of site off-diagonal type.

the pure 2D Hubbard model with nearest-neighbor hopping ton a square lattice, and on-site interaction U, is a superconductor. For this, Mingpu Qin et al studied a linear response to the d x 2 y pairing eld and the pair-pair correlation function by combining two state-of-the-art Superconductivity in the Hubbard model and its interplay with charge stripes and next-nearest hopping t' Hong-Chen Jiang, Thomas P. Devereaux We report a large-scale density-matrix renormalization group study of the lightly doped Hubbard model on 4-leg cylinders at hole doping concentration. Superconductivity in the doped Hubbard model and its interplay with next-nearest hopping t′ | Science. Modeling high-temperature superconductivity (HTS) remains extremely challenging. Many The superconducting instabilities of the doped repulsive 2D Hubbard model are studied in the inter-mediate to strong coupling regime with the help of the dynamical cluster approximation.

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In this paper a pairing mechanism caused by the kinematical interaction in the Hubbard model is considered. On the basis of equations of motion for two-time Green functions with anomalous pairings taken into account, equations are derived for the superconducting gap of an extended S-type and T{sub c}. Coexistence of superconductivity and antiferromagnetism in the Hubbard model for cuprates A. Foley, 1 S. Verret, A.-M. S. Tremblay, 1,2 and D. Sénéchal 1 Département de physique and Institut quantique, Université de Sherbrooke, Sherbrooke, Québec, Canada J1K 2R1 Several different models have recently been proposed to explain High Temperature Superconductivity.

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Thus, if the Hubbard model has a super- Understanding high-temperature superconductivity in the cuprates [1] has been a long-standing mystery and one of the greatest challenges in theoretical condensed matter physics [2]. Very early on, the single-band two-dimensional (2D) Hubbard model [3], along with its cousin, the t-J model, were argued to be the paradigmatic Mott transition, Hubbard model and superconductivity: an introduction A.-M. Tremblay G. Sordi, K. Haule, D. Sénéchal, P. Sémon, B. Kyung, G. Kotliar Trieste, 6 August, 2012 The superconducting instabilities of the doped repulsive 2D Hubbard model are studied in the inter-mediate to strong coupling regime with the help of the dynamical cluster approximation. To solve the effective cluster problem we employ an extended noncrossing approximation, which allows for a transi-tion to the broken symmetry state. 2019-10-20 · Abstract:We study the superconducting pairing correlations in the ground state of the doped Hubbard model -- in its original form without hopping beyond nearest neighbor or other perturbing parameters -- in two dimensions at intermediate to strong coupling and near optimal doping.

S. Tremblay, 1,2 and D. Sénéchal 1 Département de physique and Institut quantique, Université de Sherbrooke, Sherbrooke, Québec, Canada J1K 2R1 Several different models have recently been proposed to explain High Temperature Superconductivity. This book gives an authoritative and up-to-date review of two such proposals, namely the Hubbard and Anyon Models. Home > Journal of the Physical Society of Japan > Volume 61, Number 12 > Superconductivity in the Hubbard Model J. Phys. Soc. Jpn. 61, pp.
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On the other hand, compelling experimental evidence for an EPI has arrived from isotope effects,18 high-resolution Superconductivity. The Hubbard model has shown to be d-wave superconducting at weak interactions and in some specialized `plaquette’ calculations. We could recently show that the Hubbard model is also superconducting in the regime of intermediate interaction (~bandwidth), which is the regime relevant for the cuprates.

The nature of such correlations has The Hubbard model is an approximate model used, especially in solid-state physics, to describe the transition between conducting and insulating systems.
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‪Andrzej Ptok‬ - ‪Google Scholar‬

Superconductivity in the doped Hubbard model and its interplay with next-nearest hopping t′ | Science. Modeling high-temperature superconductivity (HTS) remains extremely challenging. Many The superconducting instabilities of the doped repulsive 2D Hubbard model are studied in the inter-mediate to strong coupling regime with the help of the dynamical cluster approximation. To solve the effective cluster problem we employ an extended noncrossing approximation, which allows for a transi-tion to the broken symmetry state.

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WikiExplorer/has_IW_link_to_EN_en.dat at master · kamir

Johan Carlström medverkande i utredning Sören Öman

‪Andrzej Ptok‬ - ‪Google Scholar‬

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