Colloquium: Heavy-electron quantum criticality and single-particle spectroscopy

S Kirchner, S Paschen, Q Chen, S Wirth, D Feng… - Reviews of Modern …, 2020 - APS
Angle-resolved photoemission spectroscopy (ARPES) and scanning tunneling microscopy
(STM) have become indispensable tools in the study of correlated quantum materials. Both …

Band structures of 4f and 5f materials studied by angle-resolved photoelectron spectroscopy

S Fujimori - Journal of Physics: Condensed Matter, 2016 - iopscience.iop.org
Recent remarkable progress in angle-resolved photoelectron spectroscopy (ARPES) has
enabled the direct observation of the band structures of 4f and 5f materials. In particular …

Indications of flat bands driving the δ to α volume collapse of plutonium

N Harrison, GL Chappell… - Proceedings of the …, 2024 - National Acad Sciences
On cooling from the melt, plutonium (Pu) undergoes a series of structural transformations
accompanied by a≈ 28% reduction in volume from its δ phase to its α phase at low …

Magnetic-Field Dependence of the Fermi Surface

PMC Rourke, A McCollam, G Lapertot, G Knebel… - Physical review …, 2008 - APS
Magnetic-field-induced changes of the Fermi surface play a central role in theories of the
exotic quantum criticality of YbRh 2 Si 2. We have carried out de Haas–van Alphen …

Interplay between Kondo Suppression and Lifshitz Transitions <?format ?>in at High Magnetic Fields

H Pfau, R Daou, S Lausberg, HR Naren, M Brando… - Physical review …, 2013 - APS
We investigate the magnetic field dependent thermopower, thermal conductivity, resistivity,
and<? format?> Hall effect in the heavy fermion metal YbRh 2 Si 2. In contrast to reports on …

Field-Induced Lifshitz Transition without Metamagnetism in

D Aoki, G Seyfarth, A Pourret, A Gourgout… - Physical Review Letters, 2016 - APS
We report high magnetic field measurements of magnetic torque, thermoelectric power,
magnetization, and the de Haas–van Alphen effect in CeIrIn 5 across 28 T, where a …

Sequential localization of a complex electron fluid

V Martelli, A Cai, EM Nica, M Taupin… - Proceedings of the …, 2019 - National Acad Sciences
Complex and correlated quantum systems with promise for new functionality often involve
entwined electronic degrees of freedom. In such materials, highly unusual properties …

Critical slowing down near a magnetic quantum phase transition with fermionic breakdown

CJ Yang, K Kliemt, C Krellner, J Kroha, M Fiebig, S Pal - Nature Physics, 2023 - nature.com
When a system close to a continuous phase transition is subjected to perturbations, it takes
an exceptionally long time to return to equilibrium. This critical slowing down is observed …

Low-temperature specific heat of YbRh2Si2

N Oeschler, S Hartmann, AP Pikul, C Krellner… - Physica B: Condensed …, 2008 - Elsevier
Low-temperature specific heat measurements on single crystalline YbRh2Si2 in small
magnetic fields are reported. The phase diagram around its quantum critical point is …

Phenomenology of ESR in heavy-fermion systems: Fermi-liquid and non-Fermi-liquid regimes

P Wölfle, E Abrahams - Physical Review B—Condensed Matter and Materials …, 2009 - APS
We extend and apply a recent theory of the dynamical spin response of Anderson lattice
systems to interpret electron-spin resonance (ESR) data on YbRh 2 Si 2. Starting within a …