Quantum criticality in heavy-fermion metals
WebHeavy fermion systems provide a prototype-setting for the study of strongly-correlated electrons. Experiments on heavy-fermion metals such as CeCu6-xAux, YbRh2Si2, and … WebKeywords: heavy fermions; quantum criticality; superconductivity 1. Kondo lattice and heavy fermions Certain Ce- and Yb- as well as U-, Pu- and Np-based intermetallics form the class …
Quantum criticality in heavy-fermion metals
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WebThe tetragonal heavy-fermion metal YbRh2Si2 orders antiferromagnetically at TN = 70 mK and exhibits an unconventional quantum critical point (QCP) of Kondo-destroying type at … WebSep 30, 2024 · Si, Q. Global magnetic phase diagram and local quantum criticality in heavy fermion metals. Phys. ... Paschen, S. et al. Hall-effect evolution across a heavy-fermion …
WebApr 29, 2013 · Furthermore, we show that conventional regular Fermi liquid behavior is re established in an external magnetic field H, but with a density of states which diverges as 1/H. Possible connections with the field-tuned quantum criticality recently observed in heavy electron materials are also discussed. Show less WebDec 27, 2005 · The destruction of Kondo entanglement and the concomitant critical Kondo effect may underlie these emergent excitations in heavy fermion metals (a prototype …
WebQuantum criticality due to the valence transition in some Yb-based heavy fermion metals has gradually turned out to play a crucial role to understand the non-Fermi liquid properties that cannot be understood from the c… WebThe heavy fermion system CeNi9Ge4 exhibits a paramagnetic ground state with remarkable features such as: a record value of the electronic specific heat coefficient in systems with a paramagnetic ground state, γ = C/T 5.5 J/molK2 at 80 mK, a temperature-dependent Sommerfeld–Wilson ratio, R = χ/γ, below 1 K and an approximate single ion scaling of the …
WebDec 13, 2007 · Quantum criticality describes the collective fluctuations of matter undergoing a second-order phase transition at zero temperature. Heavy fermion metals have in recent …
WebJul 17, 2024 · The quantum criticality induced by the fermion-condensation quantum phase transition extends over a wide range in the \(T-B\) phase diagram. As we shall see, the … tasmanian oak timber panelsWeblaws could arise. It is well known that quantum criticality often occurs in the system with competing interactions where different interactions favor distinct phases or orders. Many physical systems such as high-temperature super-conducting cuprates [2], heavy fermion and Kondo lattice materials [3], Fermi liquid metals with spin density wave 黒ラブ里親WebQuantum criticality in heavy-fermion metals. Quantum criticality in heavy-fermion metals. Qimiao Si ... tasmanian oak timber for saleWebHere, we show that the normal state above a 2D superconductor with finite momentum pairs exhibits a new strange metal phase at low temperatures. It has no proper electronic quasiparticles over parts of the Fermi surface and leads to anomalies both in thermodynamics and response functions. tasmanian oak timber newcastleWebApr 9, 2024 · Explore 203 research articles published on the topic of “Cooper pair” in 2024. Over the lifetime, 4825 publication(s) have been published within this topic receiving 101244 citation(s). 黒 ランニングシューズ ナイキWebJan 1, 2006 · Global magnetic phase diagram and local quantum criticality in heavy fermion metals @article{Si2006GlobalMP, title={Global magnetic phase diagram and local … 黒 ランドセル おすすめWebThese often occur in a special class of metals known as heavy fermions. We are focusing on the Yb-based heavy fermion compounds, and their properties in the vicinity of the … tasmanian oak timber flooring