Angle-resolved photoemission studies of quantum materials
The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …
concepts such as symmetry and topology that have transformed our understanding of matter …
High-Resolution Photoemission on Reveals Correlation-Enhanced Effective Spin-Orbit Coupling and Dominantly Local Self-Energies
We explore the interplay of electron-electron correlations and spin-orbit coupling in the
model Fermi liquid Sr 2 RuO 4 using laser-based angle-resolved photoemission …
model Fermi liquid Sr 2 RuO 4 using laser-based angle-resolved photoemission …
Knight Shift and Leading Superconducting Instability from Spin Fluctuations in
Recent nuclear magnetic resonance studies [A. Pustogow et al., Nature 574, 72 (2019)]
have challenged the prevalent chiral triplet pairing scenario proposed for Sr 2 RuO 4. To …
have challenged the prevalent chiral triplet pairing scenario proposed for Sr 2 RuO 4. To …
Designing light-element materials with large effective spin-orbit coupling
Abstract Spin-orbit coupling (SOC), which is the core of many condensed-matter
phenomena such as nontrivial band gap and magnetocrystalline anisotropy, is generally …
phenomena such as nontrivial band gap and magnetocrystalline anisotropy, is generally …
Fate of Quasiparticles at High Temperature in the Correlated Metal
We study the temperature evolution of quasiparticles in the correlated metal Sr 2 RuO 4. Our
angle resolved photoemission data show that quasiparticles persist up to temperatures …
angle resolved photoemission data show that quasiparticles persist up to temperatures …
Momentum-resolved superconducting energy gaps of Sr2RuO4 from quasiparticle interference imaging
Sr2RuO4 has long been the focus of intense research interest because of conjectures that it
is a correlated topological superconductor. It is the momentum space (k-space) structure of …
is a correlated topological superconductor. It is the momentum space (k-space) structure of …
Strongly Correlated Materials from a Numerical Renormalization Group Perspective: How the Fermi-Liquid State of Emerges
The crossover from fluctuating atomic constituents to a collective state as one lowers
temperature or energy is at the heart of the dynamical mean-field theory description of the …
temperature or energy is at the heart of the dynamical mean-field theory description of the …
Reduction of the Spin Susceptibility in the Superconducting State of Observed by Polarized Neutron Scattering
Recent observations [A. Pustogow, Nature (London) 574, 72 (2019). NATUAS 0028-0836
10.1038/s41586-019-1596-2] of a drop of the O 17 nuclear magnetic resonance (NMR) …
10.1038/s41586-019-1596-2] of a drop of the O 17 nuclear magnetic resonance (NMR) …
In situ strain tuning of the metal-insulator-transition of Ca2RuO4 in angle-resolved photoemission experiments
Pressure plays a key role in the study of quantum materials. Its application in angle resolved
photoemission (ARPES) studies, however, has so far been limited. Here, we report the …
photoemission (ARPES) studies, however, has so far been limited. Here, we report the …
Relativistic self-consistent : Exact two-component formalism with one-electron approximation for solids
We present a formulation of relativistic self-consistent GW for solids based on the exact two-
component formalism with one-electron approximation (X2C1e) and nonrelativistic Coulomb …
component formalism with one-electron approximation (X2C1e) and nonrelativistic Coulomb …