| Title: | Revealing Hidden Orbital Pseudospin Texture with Time-Reversal Dichroism in Photoelectron Angular Distributions |
| Other Titles: | Odhalení skryté orbitální pseudospin textury pomocí time-revesal dichroismu v úhlové distribuci fotoelektronů |
| Authors: | Beaulieu, Samuel Schusser, Jakub Dong, Shuo Schüler, Michael Pincelli, Tommaso Dendzik, Maciej Maklar, Julian Neef, A. Ebert, Hubert Hricovíni, Karol Wolf, Martin Braun, Jürgen Rettig, Laurenz Minár, Jan Ernstorfer, Ralph |
| Citation: | BEAULIEU, S., SCHUSSER, J., DONG, S., SCHÜLER, M., PINCELLI, T., DENDZIK, M., MAKLAR, J., NEEF, A., EBERT, H., HRICOVÍNI, K., WOLF, M., BRAUN, J., RETTIG, L., MINÁR, J., ERNSTORFER, R. Revealing Hidden Orbital Pseudospin Texture with Time-Reversal Dichroism in Photoelectron Angular Distributions. Physical review letters, 2020, roč. 125, č. 21. ISSN 0031-9007. |
| Issue Date: | 2020 |
| Publisher: | American Physical Society |
| Document type: | článek article |
| URI: | 2-s2.0-85097291425 http://hdl.handle.net/11025/42660 |
| ISSN: | 0031-9007 |
| Keywords: | fotoemise;elektron;dichroism |
| Keywords in different language: | photoemission;electron;dichroism |
| Abstract: | Zavedli jsme novou fyzikální pozorovatelnou, která poskytuje informaci o orbitální textuře materiálů pevných látek. Více v anglické verzi. |
| Abstract in different language: | We performed angle-resolved photoemission spectroscopy (ARPES) of bulk 2H-WSe2 for different crystal orientations linked to each other by time-reversal symmetry. We introduce a new observable called time-reversal dichroism in photoelectron angular distributions (TRDAD), which quantifies the modulation of the photoemission intensity upon effective time-reversal operation. We demonstrate that the hidden orbital pseudospin texture leaves its imprint on TRDAD, due to multiple orbital interference effects in photoemission. Our experimental results are in quantitative agreement with both the tight-binding model and state-of-the-art fully relativistic calculations performed using the one-step model of photoemission. While spin-resolved ARPES probes the spin component of entangled spin-orbital texture in multiorbital systems, we unambiguously demonstrate that TRDAD reveals its orbital pseudospin texture counterpart. |
| Rights: | © American Physical Society |
| Appears in Collections: | Články / Articles (RAM) OBD |
Files in This Item:
| File | Size | Format | |
|---|---|---|---|
| SCHUSSER_PhysRevLett.125.216404.pdf | 2,34 MB | Adobe PDF | View/Open |
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