Orbital selective of kondo lattice
WebOur results present the distinct observation of the orbital selective 5f electron character, indication of Kondo effect, and together with the subatomic features of individual 5f impurity magnetic ... WebFeb 23, 2024 · The interplay between Kondo screening and magnetic interactions is central to comprehending the intricate phases in heavy-fermion compounds. However, the role of the itinerant magnetic order, which is driven by the conducting (c) electrons, has been largely uncharted in the context of heavy-fermion systems due to the scarcity of material …
Orbital selective of kondo lattice
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WebWe visualize a large gap in the antiferromagnetic phase within which Kondo hybridization develops below ~80 K. Our calculations indicate the antiferromagnetism and Kondo lattice to reside predominantly on different f-orbitals, promoting orbital selectivity as a new conception into how these phenomena coexist in heavy-fermions. WebAug 10, 2024 · Layered kagome-lattice 3d transition metals are emerging as an exciting platform to explore the frustrated lattice geometry and quantum topology. ... have not been clearly … Orbital-selective Dirac fermions and extremely flat bands in frustrated kagome-lattice metal CoSn Nat Commun. 2024 Aug 10;11(1):4002. doi: 10.1038/s41467-020 …
WebWe refer to the latter as the orbital-selective Kondo effect. Lowering the temperature further below T * = 45 K (a drop of only a few kelvin) reveals an abrupt change of the spectral structure in our STM experiments, signaling a sudden transition in the electronic density … WebWe visualize a large gap in the antiferromagnetic phase within which Kondo hybridization develops below ~80 K. Our calculations indicate the antiferromagnetism and Kondo …
WebUtilizing femtosecond time-resolved pump probe spectroscopy, we investigated the ultrafast quasiparticle dynamics of the ferromagnetic Kondo lattice compound CeAgSb2. The photoinduced reflectivity de WebKagome lattice has been actively studied for the possible realization of frustration-induced two-dimensional flat bands and a number of correlation-induced phases. Currently, the search for kagome systems with a nearly dispersionless flat band close to the Fermi level is ongoing. ... where electron correlations induce strong orbital-selective ...
WebOct 17, 2024 · (a) Hyperoctagonal lattice: a four-atom coil (1,2,3,4) on a bcc lattice gives rise to alternating square and octagonal spirals . (b) Anisotropic coupling of orbital degrees of freedom according to the plane in which the bond lies. (c) Kondo coupling between the Yao-Lee spin liquid and the electron sea. Reuse & Permissions
WebSep 6, 2024 · Abstract. In heavy-fermion compounds, the dual character of f electrons underlies their rich and often exotic properties like fragile heavy quasiparticles, a variety of magnetic orders and unconventional superconductivity. 5f-electron actinide materials provide a rich setting to elucidate the larger and outstanding issue of the competition … do togruta have lekkuWebFeb 1, 2024 · Giannakis, I. et al. Orbital-selective kondo lattice and enigmatic f electrons emerging from inside the antiferromagnetic phase of a heavy fermion. Sci. Adv. 5, eaaw9061 (2024). racket\\u0027s diWebWe extend previous studies on orbital-selective Mott transitions in the paramagnetic state of the half-filled degenerate two-band Hubbard model to the general doped case, using a high-precision quantum Monte Carlo dyna… racket\u0027s cpWebOct 17, 2024 · The Kondo lattice model plays a key role in our understanding of quantum materials, but a lack of small parameters has posed a long-standing problem. We present … dotojWebLet us first recall the main physical ideas behind the Kondo Lattice model: (i) the competition between the Kondo effect and the RKKY interactions leading to the so-called … dotnet startup projectWebAug 7, 2014 · Iron(II) phthalocyanine (FePc) molecule causes novel Kondo effects derived from the unique electronic structure of multi-spins and multi-orbitals when attached to … racket\\u0027s dfWebSpins residing on a periodic lattice can exhibit peculiar behaviors when they are coupled to other interactions. For example, when spins are arranged periodically, magnetically ordered states arise ().When spins scatter itinerant electrons within a Kondo scenario, Kondo singlet states emerge ().In f-electron heavy-fermion (HF) systems, the localized f-spin is a … racket\u0027s dl