Spin-and time-resolved photoelectron spectroscopy and diffraction studies using time-of-flight momentum microscopes

G Schönhense, HJ Elmers - Journal of Vacuum Science & Technology …, 2022 - pubs.aip.org
Momentum microscopy (MM) is a novel way of performing angle-resolved photoelectron
spectroscopy (ARPES). Combined with time-of-flight (ToF) energy recording, its high degree …

Strong spin-orbit coupling in the noncentrosymmetric Kondo lattice

A Generalov, J Falke, IA Nechaev, MM Otrokov… - Physical Review B, 2018 - APS
Strong spin-orbit coupling (SOC) in combination with a lack of inversion symmetry and
exchange magnetic interaction proves to be a sophisticated instrument allowing efficient …

Laser pulse driven control of charge and spin order in the two-dimensional Kondo lattice

B Fauseweh, JX Zhu - Physical Review B, 2020 - APS
Fast and dynamical control of quantum phases is highly desired in the application of
quantum phenomena in devices. On the experimental side, ultrafast laser pulses provide an …

Ultrafast laser-driven many-body dynamics and Kondo coherence collapse

W Zhu, B Fauseweh, A Chacon, JX Zhu - Physical Review B, 2021 - APS
Ultrafast laser pulse has provided a systematic way to inspect the dynamics of electrons in
condensed matter systems. In this paper, by means of time-dependent density matrix …

Temperature-dependent change of the electronic structure in the Kondo lattice system YbRh2Si2

SY Agustsson, SV Chernov, K Medjanik… - Journal of Physics …, 2021 - iopscience.iop.org
The heavy-fermion behavior in intermetallic compounds manifests itself in a quenching of
local magnetic moments by developing Kondo spin-singlet many-body states combined with …

Visualizing the Kondo lattice crossover in with Compton scattering

M Güttler, K Kummer, K Kliemt, C Krellner, S Seiro… - Physical Review B, 2021 - APS
With the breakdown of coherent Kondo scattering with rising temperature, the Fermi surface
(FS) in rare-earth Kondo lattices is expected to transition from the large FS counting the 4 f …

Magnetic and electrical properties of a heavy-fermion compound

M He, X Xu, Z Wu, C Dong, Y Liu, Q Hou, S Zhou… - Physical Review …, 2023 - APS
We report the magnetic, thermodynamic, and electrical properties of EuRh 2 Al 8, a Eu-
based heavy fermion member in the RT 2 X 8 families with an orthorhombic P bam structure …

Quantum-well states in fractured crystals of the heavy-fermion material

N Gauthier, JA Sobota, M Hashimoto, H Pfau, DH Lu… - Physical Review B, 2020 - APS
Quantum-well states appear in metallic thin films due to the confinement of the wave function
by the film interfaces. Using angle-resolved photoemission spectroscopy, we unexpectedly …

Ultrafast optical induction of magnetic order at a quantum critical point

B Fauseweh, JX Zhu - Journal of Physics: Condensed Matter, 2024 - iopscience.iop.org
Time-resolved ultrafast spectroscopy has emerged as a promising tool to dynamically
induce and manipulate non-trivial electronic states of matter out-of-equilibrium. Here we …

Robust hybridization gap in the Kondo insulator probed by femtosecond optical spectroscopy

AR Pokharel, SY Agustsson, VV Kabanov, F Iga… - Physical Review B, 2021 - APS
In heavy fermions the relaxation dynamics of photoexcited carriers has been found to be
governed by the low energy indirect gap E g resulting from hybridization between localized …