TY  - JOUR
PB  - SciPost Foundation
DO  - 10.21468/SciPostPhys.18.2.062
TI  - Probing valley phenomena with gate-defined valley splitters
PY  - 2025/02/21
UR  - https://www.scipost.org/SciPostPhys.18.2.062
JF  - SciPost Physics
JA  - SciPost Phys.
VL  - 18
IS  - 2
SP  - 062
A1  - Torres Luna, Juan Daniel
AU  - Vilkelis, Kostas
AU  - Manesco, Antonio L. R.
AB  - Despite many reports of valley-related phenomena in graphene and its multilayers, current transport experiments cannot probe valley phenomena without the application of external fields. Here we propose a gate-defined valley splitter as a direct transport probe for valley phenomenon in graphene multilayers. First, we show how the device works, its magnetotransport response, and its robustness against fabrication errors. Secondly, we present two applications for valley splitters: (i) resonant tunneling of quantum dots probed by a valley splitter shows the valley polarization of dot levels; (ii) a combination of two valley splitters resolves the nature of order parameters in mesoscopic samples.
ER  -

@Article{10.21468/SciPostPhys.18.2.062,
	title={{Probing valley phenomena with gate-defined valley splitters}},
	author={Juan Daniel Torres Luna and Kostas Vilkelis and Antonio L. R. Manesco},
	journal={SciPost Phys.},
	volume={18},
	pages={062},
	year={2025},
	publisher={SciPost},
	doi={10.21468/SciPostPhys.18.2.062},
	url={https://scipost.org/10.21468/SciPostPhys.18.2.062},
}