Non-Fermi-liquid behavior in d - and f -electron metals

By G. Stewart. 2001

905 citations recorded by the source corpus.

Subfields: Atomic and Molecular Physics, and Optics, Condensed Matter Physics

View Paper: https://www.semanticscholar.org/paper/49c252fc6cfa3ad4712ec148100a04afad7b083b

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In Atomic and Molecular Physics, and Optics

In Condensed Matter Physics

Citations in the corpus

Superconductivity in iron compounds (2011, background): “There are known (Stewart, 2001; 2006; von Löhneysen et al., 2007) temperature dependences in below 20 K Rev. Mod.”
Defects in correlated metals and superconductors (2007, background): “Heavy fermions compounds are generally discussed in the framework of a periodic Anderson Hamiltonian which reads (Stewart, 2001; Sun and Kotliar, 2005) HHF = ∑ i,N Ef N n f i,N + 1 2 U ∑ i,N,N ′,N ′ 6=N nf i,N n f i,N ′ + ∑ ~k,N ǫ~k c † ~k,N c~k,N + V (∑ i,N f †i,N ci,N + h.c ) (5) The first two…”
Continuous-time Monte Carlo methods for quantum impurity models (2010, background): “…and conduction electrons combine into a new object, which may become a heavy mass Fermi liquid or a narrow gap Kondo insulator, or may become unstable to unconventional superconductivity, magnetic order, or may exhibit a variety of quantum critical behavior (Löhneysen et al., 2007; Stewart, 2001).”
Fermi-liquid instabilities at magnetic quantum phase transitions (2006, methodology): “A similar situation arises in disordered heavy-fermion systems, where the competition of Kondo screening and interaction of magnetic moments takes place in a spatially non-uniform environment, often leading to non-Fermi-liquid behavior (Stewart, 2001).”
Colloquium: Hidden order, superconductivity, and magnetism: The unsolved case of URu 2 Si 2 (2011, background): “Over the past 50 or so years many conducting and insulating systems were synthesized, analyzed and structurally characterized (Sechovský and Havela, 1998; Stewart, 2001, 2006).”
Electronic structure calculations with dynamical mean-field theory (2005, background): “Enormous mass renormalizations are realized in systems containing rare-earth and actinide elements, the so-called heavyfermion systems Stewart, 2001 .”
Solids, liquids, and gases under high pressure (2018, background): “…the focus of intense interest with the discovery that intermetallic antiferromagnets can be tuned through a quantum phase transition into a heavy-fermion state by P, as well as magnetic fields or chemical doping (Stewart, 2001, 2006; Miranda and Dobrosavljevic, 2005; von Löhneysen et al., 2007).”
Translationally Invariant Non-Fermi-Liquid Metals with Critical Fermi Surfaces: Solvable Models (2018, background): “Some of the best-known examples of such behavior occur in the ruthenates [1–4], cobaltates [5,6], iron-based superconductors [7], and heavy-fermion materials [8], among others.”
Superconducting phases of f -electron compounds (2009, neutral): “For reviews we refer to (Belitz et al., 2005; Hertz, 1976; v. Löhneysen et al., 2007; Monthoux et al., 2007; Sachdev, 1999; Stewart, 2001, 2006; Vojta, 2003).”
Non-Fermi-liquid behavior in d- and f-electron metals (2006, methodology): “Some of the systems in this subclass of doped non-Fermi-liquid materials exhibit spinglass behavior (designated herein as type I), some have been checked for spin-glass behavior and do not exhibit it, at least down to the lowest temperature measured (type II), and some (primarily those systems resea”