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Anomalous geometric transport signatures of topological Euler class
Ashwat Jain, Wojciech J. Jankowski, Robert-Jan Slager
We investigate Riemannian quantum-geometric structures in semiclassical transport features of two-dimensional multigap topological phases. In particular, we study nonlinear Hall-li…
Non-invertible duality and symmetry topological order of one-dimensional lattice models with spatially modulated symmetry
Donghae Seo, Gil Young Cho, Robert-Jan Slager
We investigate the interplay between self-duality and spatially modulated symmetry of generalized -state clock models, which include the transverse-field Ising model and ordinar…
Topologically-enhanced exciton transport
Joshua J. P. Thompson, Wojciech J. Jankowski, Robert-Jan Slager +1
Excitons dominate the optoelectronic response of many materials. Depending on the time scale and host material, excitons can exhibit free diffusion, phonon-limited diffusion, or po…
Unexpected changes in the band structure within AFM1 state of CeBi
Yevhen Kushnirenko, Brinda Kuthanazhi, Benjamin Schrunk +7
We perform angle-resolved photoemission spectroscopy (ARPES) measurements in conjunction with density functional theory (DFT) calculations to investigate the evolution of the elect…
Squeezing Quantum States in Three-Dimensional Twisted Crystals
Vo Tien Phong, Kason Kunkelmann, Christophe De Beule +4
A fundamental idea in wave mechanics is that propagation in a periodic medium can be described by Bloch waves whose conserved crystal momenta define their transformations when disp…
Anomalous multi-gap topological phases in periodically driven quantum rotors
Volker Karle, Mikhail Lemeshko, Adrien Bouhon +2
We demonstrate that periodically driven quantum rotors provide a promising and broadly applicable platform to implement multi-gap topological phases, where groups of bands can acqu…