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Related papers: Kondo-lattice screening in a d-wave superconductor

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A theory of Kondo lattices is applied to studying possible magnetic and charge structures of itinerant-electron antiferromagnets. Even helical spin structures can be stabilized when the nesting of the Fermi surface is not sharp and the…

Strongly Correlated Electrons · Physics 2009-11-07 Fusayoshi J. Ohkawa

The quasiparticle density of states (DOS), the energy gap, the superfluid density $\rho_s$, and the localization effect in the s- and d-wave superconductors with non-magnetic impurity in two dimensions (2D) are studied numerically. For…

Condensed Matter · Physics 2009-10-22 T Xiang , J M Wheatley

Dynamic cluster quantum Monte Carlo calculations for a doped two-dimensional extended Hubbard model are used to study the stability and dynamics of $d$-wave pairing when a near neighbor Coulomb repulsion $V$ is present in addition to the…

Strongly Correlated Electrons · Physics 2018-05-23 M. Jiang , U. R. Hahner , T. C. Schulthess , T. A. Maier

A recent work by Zhao et al. [1] reports the realization of a synthetic Kondo lattice in a gate-tunable Moir\'e TMD bilayer system. The observation of a Kondo lattice is supported by a plateau (or dip, depending on filling) in the…

Mesoscale and Nanoscale Physics · Physics 2023-08-14 Prathyush P. Poduval , Katharina Laubscher , Sankar Das Sarma

Magnetic impurity effects in carbon nanotubes are studied theoretically. The multi channel Kondo effect is investigated with the band structure of the metallic nanotubes. The local non-Fermi liquid behavior is realized at temperatures lower…

Condensed Matter · Physics 2007-05-23 K. Harigaya

We show that a three-dimensional superconductor with a non-Abelian SU(2) order parameter can support an extended resistive regime a Bose metal, in which transport is carried by bosonic electron-Majorana bound states - separating a uniform…

Strongly Correlated Electrons · Physics 2026-04-24 Piers Coleman , Aaditya Panigrahi , Alexei Tsvelik

Using the transversal vibration resonance of a suspended carbon nanotube as charge detector for its embedded quantum dot, we investigate the case of strong Kondo correlations between a quantum dot and its leads. We demonstrate that even…

Mesoscale and Nanoscale Physics · Physics 2018-06-18 K. J. G. Götz , D. R. Schmid , F. J. Schupp , P. L. Stiller , Ch. Strunk , A. K. Hüttel

To achieve room-temperature superconductivity, a mechanism is needed that provides heavy quasiparticles at room temperature. In heavy fermion systems such localization is prototypically present only at liquid helium temperatures. In these…

Strongly Correlated Electrons · Physics 2019-02-11 J. L. M. van Mechelen , M. J. van Setten

We study two different metal-insulating transitions possibly occurring in one-dimensional Kondo lattices. First, we show how doping the pure Kondo lattice model in the strong-coupling limit, results in a Pokrovsky-Talapov transition. This…

Strongly Correlated Electrons · Physics 2009-10-31 Karyn Le Hur

The emerging and screening of local magnetic moments in solids has been investigated for more than 60 years. Local vacancies as in graphene or in Heavy Fermions can induce decoupled bound states that lead to the formation of local moments.…

Strongly Correlated Electrons · Physics 2021-07-14 Fabian Eickhoff , Frithjof B. Anders

Using recently developed Lanczos technique we study finite-temperature properties of the 2D Kondo lattice model at various fillings of the conduction band. At half filling the quasiparticle gap governs physical properties of the chemical…

Strongly Correlated Electrons · Physics 2009-10-31 K. Haule , J. Bonca , P. Prelovsek

The connection of electrical leads to wire-like molecules is a logical step in the development of molecular electronics, but also allows studies of fundamental physics. For example, metallic carbon nanotubes are quantum wires that have been…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Jesper Nygard , David Henry Cobden , Poul Erik Lindelof

We investigate the impurity resonant state induced by non-magnetic impurities in d-wave cuprate superconductors in two different impurity models: (i) in a pure potential scattering model within the T-matrix approach and (ii) in a Bose-Fermi…

Strongly Correlated Electrons · Physics 2009-11-13 Marijana Kircan

The nature of localized-itinerant transition in Kondo lattice systems remains a mystery despite intensive investigations in past decades. While it is often identified from the coherent peak in magnetic resistivity, recent angle-resolved…

Strongly Correlated Electrons · Physics 2025-05-19 Shuo Zou , Hai Zeng , Zhuo Wang , Guohao Dong , Xiaodong Guo , Fangjun Lu , Zengwei Zhu , Youguo Shi , Yifeng Yang , Yongkang Luo

Novel electronic phenomena frequently form in heavy fermions as a consequence of the mutual nature of localization and itineracy of f electrons. On the magnetically ordered side of the heavy fermion phase diagram, f moments are expected to…

Recently, Coulomb blockade physics was observed at room temperature in a carbon nanotube single-electron transistor (H. W. Ch. Postma, et. al., Science 293, 76 (2001)). In this work, we suggest that these devices may be promising for…

Strongly Correlated Electrons · Physics 2007-05-23 Eugene H. Kim , German Sierra , C. Kallin

The mechanism of high-temperature superconductivity remains one of the great challenges of contemporary physics. Here, we review efforts to image the vortex lattice in copper oxide-based high-temperature superconductors and to measure the…

The interaction of a lattice of localized magnetic moments with a sea of conduction electrons in Kondo lattice models induces rich quantum phases of matter, such as Fermi liquids with heavily renormalized electronic quasiparticles, quantum…

We study the Kondo effect in a CNT(left lead)-CNT(QD)-CNT(right lead) structure. Here CNT is a single-wall metallic carbon nanotube, for which 1) the valence and conduction bands of electrons with zero orbital angular momentum ($m=0$)…

Strongly Correlated Electrons · Physics 2014-05-14 Igor Kuzmenko , Yshai Avishai

Unlike canonical Kondo lattices in f-electron systems, where localized f orbitalsnaturally provide local moments, d-electron Kondo lattices require a distinct mechanism for local-moment formation. However, the study of d-electron Kondo…