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Anonymous, Damian Brzozowski, Anders Christian Mathisen, Stefanie Suzanne Brinkman et autres
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Stefanie Suzanne Brinkman, Xin Liang Tan, Anders Christian Mathisen, Fabian Göhler et autres
Recent reports of surface-localized topological superconductivity in trigonal PtBi$_2$ highlight the importance of understanding its surface electronic structure. We investigate the bulk and surface band structure of PtBi$_2$ using angle-resolved photoemission spectroscopy (ARPES) and first-principles calculations. Through photon-energy- and polarization-dependent measurements, we …
Stefanie Suzanne Brinkman, Xin Liang Tan, Anders Christian Mathisen, Fabian Göhler et autres
Recent reports of surface-localized topological superconductivity in trigonal PtBi$_2$ highlight the importance of understanding its surface electronic structure. We investigate the bulk and surface band structure of PtBi$_2$ using angle-resolved photoemission spectroscopy (ARPES) and first-principles calculations. Through photon-energy- and polarization-dependent measurements, we …
Anders Christian Mathisen, Xin Liang Tan, Stefanie Suzanne Brinkman, Kristian Mæland et autres
Layered PtBi$_2$ is a candidate for topological superconductivity arising in Fermi-arc surface states. Using spin- and angle-resolved photoemission spectroscopy, we demonstrate that the Fermi arcs in PtBi$_2$ are singly degenerate and spin-polarized, which establishes their nontrivial topology and constitutes a necessary condition …
Anders Christian Mathisen, Xin Liang Tan, Stefanie Suzanne Brinkman, Kristian Mæland et autres
Layered PtBi$_2$ is a candidate for topological superconductivity arising in Fermi-arc surface states. Using spin- and angle-resolved photoemission spectroscopy, we demonstrate that the Fermi arcs in PtBi$_2$ are singly degenerate and spin-polarized, which establishes their nontrivial topology and constitutes a necessary condition …
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Øyvind Finnseth, Damian Brzozowski, Anders Christian Mathisen, Stefanie Suzanne Brinkman et autres
Coupling between spin, orbital, charge, and lattice degrees of freedom in transition-metal oxides produces a variety of electronic and magnetic phenomena of importance for future technologies. Here, we explore the electronic band structure of a (111)-oriented La0.7Sr0.3MnO3 thin film through soft X-ray …
Øyvind Finnseth, Damian Brzozowski, Anders Christian Mathisen, Stefanie Suzanne Brinkman et autres
Coupling between spin, orbital, charge, and lattice degrees of freedom in transition-metal oxides produces a variety of electronic and magnetic phenomena of importance for future technologies. Here, we explore the electronic band structure of a (111)-oriented La0.7Sr0.3MnO3 thin film through soft X-ray …
Dongjin Oh, Hendrik Bentmann, Riccardo Comin
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Chul-Hee Min, Stefan Müller, W. J. Choi, L. Dudy et autres
Exotic quasiparticle states have been proposed in mixed-valent compounds exhibiting valence transitions. However, clear spectroscopic evidence identifying these states has remained elusive. Using synchrotron-based hard x-ray and extreme ultraviolet photoemission spectroscopy, we have probed the Tm 3d and 4f emissions in TmSe_{1-x}Te_{x}, …
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Erik Wegner Hodt, Hendrik Bentmann, Jacob Linder
It has recently been realized that magnetic systems with coplanar magnetic order that are invariant under the combined operation of time-reversal and translation with half a unit cell feature energy bands with a symmetry-protected $p$-wave spin polarization. Such $p$-wave magnets are a …
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T. Figgemeier, M. Ünzelmann, Philipp Eck, Jakub Schusser et autres
We report the experimental discovery of orbital vortex lines in the three-dimensional (3D) band structure of a topological semimetal. Combining linear and circular dichroism in soft x-ray angle-resolved photoemission (SX-ARPES) with first-principles theory, we image the winding of atomic orbital angular momentum, …
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