Heavy Fermion
S-wave superconducting model within the finite coulomb regime in cerium and uranium based heavy fermion compounds.
... in heavy-fermion systems ...of heavy-fermion systems, which are composed of itinerant electrons in the conduction orbitals (c electrons) and localized electrons in the f orbitals (f electrons) ...
5
Theory of Electron Spin Resonance in Ferromagnetically Correlated Heavy Fermion Compounds
... An ESR signal for a magnetic impurity in a metal cannot be observed unless the Kondo temperature is very small. This suggests that the line width in heavy-fermion compounds is too broad for measurement with ...
29
A Study of Heavy Fermion Superconductors via BCS Equations Incorporating Chemical Potential
... Keywords Range of Application of the BCS Theory, Incorporation of Chemical Potential into Equations for Tc and ∆0, Extended BCS Theory, Heavy-Fermion Superconductors, Ratio of the Mass o[r] ...
10
The Eect of Heavy Fermion or F-Semiconductor Systems on Gd-Intermetallic Systems
... The instability of three dimensional intermetallic com- pounds of an \F-atomic" state, in which some of the F-electrons become itinerant at low temperatures, has dominated heavy fermion \HF" ...
7
Origin of Non-Fermi Liquid Behavior in Heavy Fermion Systems: A Conceptual View
... Cuprate superconductors. Here too the metallic system above the superconducting transition temperature manifests anomalous behavior and therefore is called as a ‘strange metal’ [26, 27]. It is also believed that a QCP ...
9
Proximity effects in the superconductor / heavy fermion bilayer system Nb/CeCu6
... in strong contrast with Nb / Cu. Analysis of the data by a proximity effect model based on the Takahashi-Tachiki theory shows that the data can be explained by taking into account both the high effective mass (or low ...
8
Electronic properties of a heavy-fermion U (Ru0.92Rh0.08)2Si2 single crystal
... explain the clear anomalies in temperature dependencies of bulk properties, notably the large entropy connected with the transition, an unconventional phase change is postulated [1]. It is generally accepted that this ...
10
Superconducting gap and vortex lattice of the heavy fermion compound CeCu2Si2
... (Received 1 May 2015; revised manuscript received 17 December 2015; published 20 January 2016) The order parameter and pairing mechanism for superconductivity in heavy-fermion compounds are still poorly ...
5
Differential conductance and defect states in the heavy fermion superconductor CeCoIn5
... in heavy-fermion materials lead to spatial oscillations in the hybridization, with the spatial structure of these oscillations reflecting the form of the unhybridized conduction Fermi surface ...
5
Elucidating the lack of magnetic order in the heavy fermion CeCu2Mg
... temperature transport and thermal measurements com- plemented with a detailed analysis of the high temper- ature results. Altogether these data allowed us to shed more light on the peculiar behavior of this compound. The ...
8
Spatial control of heavy fermion superconductivity in CeIrIn5
... uniform as evidenced by unperturbed quantum oscillations in device 3 (Fig. 4C- E). These quantum oscillations quantitatively match the angle dependence of previously reported de Haas-van Alphen oscillations (4) measured ...
15
Tunnelling Spectroscopy on the Heavy-Fermion Superconductors UPd2Al3 and UNi2Al3 in the Normal State
... In URuz Siz, a strong dip in the differential conductance of point contacts was found below TN around zero bias, with a temperature dependence similar to the spin wave [r] ...
7
Singlet vs Nonsinglet Perturbative Renormalization factors of Staggered Fermion Bilinears
... that fermion degrees of freedom are distributed over neighbouring lattice points requires the introduction of link variables in the definition of gauge invariant fermion bilinears, with a corresponding ...
8
Fermion-to-qubit mappings with varying resource requirements for quantum simulation
... a simple cost model with it, that hints the potential up-scaling of circuit depth and simulation cost, as the number of qubits decreases: we therefore consider the total sum of Pauli len[r] ...
26
Super Pivotal Categories, Fermion Condensation, and Fermionic Topological Phases
... In the Kitaev honeycomb model, the Ising topological order emerges from local qubit in- teractions on the hexagonal lattice. The microscopic degrees of freedom are purely bosonic, however the low energy collective ...
242
Ideas of four-fermion operators in electromagnetic form factor calculations
... We now apply the idea of FFO and Fierz rearrangement for the form factors shown in Fig. 1 and present the result that covers both the nucleon form factors in a quark-diquark model and the electron form factors in QED. ...
5
Fermion-Boson Dualities in 2+1 Dimensions and Higher
... Throughout the last decades, we have seen a large web of field-theoretical dualities in various dimensionalities be found. Usually, a new method or insight is developed which allows for some new kind of duality to be ...
72
Fermion Bag Approach to Lattice Hamiltonian Field Theories
... these fermion bags appear independent of the lattice ...the fermion bag size as a function of the lattice ...maximum fermion bag size within a time slice was about 30–independent of L (see Figure ...
8
Off-shell fermion polarization and t-quark production
... One can expect that two problems are equivalent: calculation of the scattered fermion po- larization (2) (for pure initial state) and looking for complete polarization axis (5) of bispinor. This fact may be ...
6
Atiyah-Patodi-Singer index theorem for domain-wall fermion Dirac operator
... massless fermion excitation at the boundary in the case when the massive fermion at the bulk is in the symmetry protected topological (SPT) ...massless fermion at the boundary is realized as a ...
8