Time-resolved ARPES studies of quantum materials

F Boschini, M Zonno, A Damascelli - Reviews of Modern Physics, 2024 - APS
Angle-resolved photoemission spectroscopy (ARPES), with its exceptional sensitivity to both
the binding energy and the momentum of valence electrons in solids, provides unparalleled …

Advancing time-and angle-resolved photoemission spectroscopy: The role of ultrafast laser development

MX Na, AK Mills, DJ Jones - Physics Reports, 2023 - Elsevier
In the last decade, there has been a proliferation of laser sources for time-and angle-
resolved photoemission spectroscopy (TR-ARPES), building on the proven capability of this …

Direct measurement of key exciton properties: Energy, dynamics, and spatial distribution of the wave function

S Dong, M Puppin, T Pincelli, S Beaulieu… - Natural …, 2021 - Wiley Online Library
Excitons, Coulomb‐bound electron–hole pairs, are the fundamental excitations governing
the optoelectronic properties of semiconductors. Although optical signatures of excitons …

Orbital Hall effect in bilayer transition metal dichalcogenides: From the intra-atomic approximation to the Bloch states orbital magnetic moment approach

TP Cysne, S Bhowal, G Vignale, TG Rappoport - Physical Review B, 2022 - APS
Using an effective Dirac model, we study the orbital Hall effect (OHE) in bilayers of transition
metal dichalcogenides with 2H stacking (2H-TMD). We use first-order perturbation theory in …

Unveiling the orbital texture of 1T-TiTe2 using intrinsic linear dichroism in multidimensional photoemission spectroscopy

S Beaulieu, M Schüler, J Schusser, S Dong… - npj quantum …, 2021 - nature.com
The momentum-dependent orbital character in crystalline solids, referred to as orbital
texture, is of capital importance in the emergence of symmetry-broken collective phases …

Through the Lens of a Momentum Microscope: Viewing Light‐Induced Quantum Phenomena in 2D Materials

O Karni, I Esin, KM Dani - Advanced Materials, 2023 - Wiley Online Library
Van der Waals (vdW) materials at their 2D limit are diverse, flexible, and unique laboratories
to study fundamental quantum phenomena and their future applications. Their novel …

Controllable orbital angular momentum monopoles in chiral topological semimetals

Y Yen, JA Krieger, M Yao, I Robredo, K Manna… - Nature Physics, 2024 - nature.com
The emerging field of orbitronics aims to generate and control orbital angular momentum for
information processing. Chiral crystals are promising orbitronic materials because they have …

Orbital magnetoelectric effect in nanoribbons of transition metal dichalcogenides

TP Cysne, FSM Guimarães, LM Canonico, M Costa… - Physical Review B, 2023 - APS
The orbital magnetoelectric effect (OME) generically refers to the appearance of an orbital
magnetization induced by an applied electric field. Here, we show that nanoribbons of …

Time-and angle-resolved photoemission studies of quantum materials

F Boschini, M Zonno, A Damascelli - arxiv preprint arxiv:2309.03935, 2023 - arxiv.org
Angle-resolved photoemission spectroscopy (ARPES)--with its exceptional sensitivity to both
the binding energy and momentum of valence electrons in solids--provides unparalleled …

Probing topological Floquet states in WSe2 using circular dichroism in time- and angle-resolved photoemission spectroscopy

M Schüler, S Beaulieu - Communications Physics, 2022 - nature.com
Observing signatures of light-induced topological Floquet states in materials has been
shown to be very challenging. Angle-resolved photoemission spectroscopy (ARPES) is well …