803 citations · 7.2k across the 130 of their papers we have counts for
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Staged emergence of anomalous Hall transport in a correlated uranium Weyl semimetal
Sabin Regmi, Shuxiang Zhou, Chandan K. Singh +9
Understanding how electronic correlations reshape topological states remains a central challenge in quantum materials. Here we investigate the uranium ferromagnet UPS using magneto…
Magnetism in AV3Sb5 (Cs, Rb, K): Origin and Consequences for the Strongly Correlated Phases
Md. Nur Hasan, Ritadip Bharati, Johan Hellsvik +10
The V-based kagome systems AV3Sb5 (A = Cs, Rb and K) are unique by virtue of the intricate interplay of non-trivial electronic structure, topology and intriguing fermiology, render…
Nesting-driven antiferromagnetic order in Kondo lattice CePd5Al2
Chen Zhang, Ya-Hua Yuan, Jiao-Jiao Song +13
We investigated the electronic structure of the antiferromagnetic Kondo lattice CePd5Al2 using high-resolution angle-resolved photoemission spectroscopy. The experimentally determi…
Quantum-well states at the surface of the heavy-fermion superconductor URuSi
Edwin Herrera-Vasco, Isabel Guillamón, Víctor Barrena +10
Electrons can form a two-dimensional electron gas at metal surfaces, where lateral confinement leads to quantum-well states. Such states have been observed for highly itinerant ele…
4/-hybridization strength in CemMnIn3m+2n heavy-fermion compounds studied by Angle-Resolved Photoemission Spectroscopy
Jiao-Jiao Song, Yang Luo, Chen Zhang +18
We systemically investigate the nature of Ce 4f electrons in structurally layered heavy-fermion compounds CcmMnIn3m+2n (with M =Co, Rh, Ir, and Pt, m=l, 2, n=0 - 2), at low tempera…
Evidence for freezing of charge degrees of freedom across a critical point in CeCoIn
Nikola Maksimovic, Tessa Cookmeyer, Jan Rusz +10
The presence of a quantum critical point separating two distinct zero-temperature phases is thought to underlie the `strange' metal state of many high-temperature superconductors.…
Angle-resolved photoemission spectroscopy study of crystal electric field in heavy fermion compound CePt2In7
Yang Luo, Chen Zhang, Qi-Yi Wu +19
The three-dimensional electronic structure and Ce 4f electrons of the heavy fermion superconductor CePt2In7 is investigated. Angle-resolved photoemission spectroscopy using variabl…
Crystal electric field splitting and f-electron hybridization in heavy fermion CePt2In7
Yu-Xia Duan, Cheng Zhang, Jan Rusz +14
We use high-resolution angle-resolved photoemission spectroscopy to investigate the electronic structure of the antiferromagnetic heavy fermion compound CePt2In7, which is a member…
First-principles theory of magnetic multipoles in condensed matter systems
Michi-To Suzuki, Hiroaki Ikeda, Peter M. Oppeneer
The multipole concept, which characterizes the spacial distribution of scalar and vector objects by their angular dependence, has already become widely used in various areas of phy…
Magnetic, electrical and thermodynamic properties of NpIr: ambient and high pressure measurements, and electronic structure calculations
H. C. Walker, K. A. McEwen, J. -C. Griveau +5
We present bulk property measurements of NpIr, a newly synthesized member of the Np-Ir binary phase diagram, which is isostructural to the non-centrosymmetric pressure-induced ferr…
Magnetic polarization of the americium ground state in AmFe
N. Magnani, R. Caciuffo, F. Wilhelm +7
Trivalent americium has a non-magnetic ( = 0) ground state arising from the cancelation of the orbital and spin moments. However, magnetism can be induced by a large molecular f…
Exceptional Ising Magnetic Behavior of Itinerant Spin-polarized Carriers in URu2Si2
Miroslaw Werwinski, Jan Rusz, John A. Mydosh +1
We show on the basis of electronic structure calculations that the uranium 5 magnetic moment in URuSi exhibits a unique Ising behavior, which surprisingly, arises from i…
Hidden Order Behaviour in URu2Si2 (A Critical Review of the Status of Hidden Order in 2014)
John A. Mydosh, Peter M. Oppeneer
Throughout the past three decades the hidden order (HO) problem in URuSi has remained a "hot topic" in the physics of strongly correlated electron systems with well over 60…
Microscopic theory of the insulating electronic ground states of actinide dioxides AnO2 (An=U, Np, Pu, Am, and Cm)
Michi-To Suzuki, Nicola Magnani, Peter M. Oppeneer
The electronic ground states of the actinide dioxides AnO2 (with An=U, Np, Pu, Am, and Cm) are investigated employing first-principles calculations within the framework of the loca…
X-ray magnetic circular dichroism experiments and theory of transuranium Laves phase compounds
F. Wilhelm, R. Eloirdi, J. Rusz +7
The actinide cubic Laves compounds NpAl2, NpOs2, NpFe2, and PuFe2 have been examined by X-ray magnetic circular dichroism (XMCD) at the actinide M4,5 absorption edges and Os L2,3 a…
Photoemission Imaging of 3D Fermi Surface Pairing at the Hidden Order Transition in URu2Si2
Jian-Qiao Meng, Peter M. Oppeneer, John A. Mydosh +6
We report angle-resolved photoemission spectroscopy (ARPES) experiments probing deep into the hidden order (HO) state of URu2Si2, utilizing tunable photon energies with sufficient…
Unified character of correlation effects in unconventional Pu-based superconductors and δ-Pu
A. B. Shick, J. Kolorenc, J. Rusz +4
Electronic structure calculations combining the local-density approximation with an exact diagonalization of the Anderson impurity model show an intermediate 5f^5-5f^6-valence grou…
Spin and orbital hybridization at specifically nested Fermi surfaces in URuSi
Peter M. Oppeneer, Saad Elgazzar, Jan Rusz +3
The Fermi surface (FS) nesting properties of URuSi are analyzed with particular focus on their implication for the mysterious hidden order phase. We show that there exist t…
Investigation of on-site inter-orbital single electron hoppings in general multi-orbital systems
Qingguo Feng, Peter M. Oppeneer
A general multi-orbital Hubbard model, which includes on-site inter-orbital electron hoppings, is introduced and studied. It is shown that the on-site inter-orbital single electron…
Advanced multi-orbital impurity solver for dynamical mean field theory based on the equation of motion approach
Qingguo Feng, P. M. Oppeneer
We propose an improved fast multi-orbital impurity solver for the dynamical mean field theory (DMFT) based on equations of motion (EOM) of Green's functions and decoupling scheme.…
Fast multi-orbital equation of motion impurity solver for dynamical mean field theory
Qingguo Feng, P. M. Oppeneer
We propose a fast multi-orbital impurity solver for the dynamical mean field theory (DMFT). Our DMFT solver is based on the equations of motion (EOM) for local Green's functions an…
Colloquium: Hidden Order, Superconductivity, and Magnetism -- The Unsolved Case of URu2Si2
J. A. Mydosh, P. M. Oppeneer
This Colloquium reviews the 25 year quest for understanding the continuous (second-order) mean-field-like phase transition occurring at 17.5 K in URu2Si2. About ten years ago, the…
Anomalous Femtosecond Quasiparticle Dynamics of Hidden Order State in URuSi
Georgi L. Dakovski, Yinwan Li, Steve M. Gilbertson +12
At T = 17.5 K an exotic phase emerges from a heavy fermion state in {\ur}. The nature of this hidden order (HO) phase has so far evaded explanation. Formation of an unknown qua…
Electronic structure theory of the hidden order material URuSi
P. M. Oppeneer, J. Rusz, S. Elgazzar +3
We report a comprehensive electronic structure investigation of the paramagnetic (PM), the large moment antiferromagnetic (LMAF), and the hidden order (HO) phases of URuSi.…