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Edge transport at the boundary between topologically equivalent lattices

Title data

Massana-Cid, Helena ; Ernst, Adrian ; de las Heras, Daniel ; Jarosz, Adam ; Urbaniak, Maciej ; Stobiecki, Feliks ; Tomita, Andreea ; Huhnstock, Rico ; Koch, Iris ; Ehresmann, Arno ; Holzinger, Dennis ; Fischer, Thomas M.:
Edge transport at the boundary between topologically equivalent lattices.
In: Soft Matter. Vol. 15 (2019) . - pp. 1539-1550.
ISSN 1744-6848
DOI: https://doi.org/10.1039/C8SM02005A

Abstract in another language

Edge currents of paramagnetic colloidal particles propagate at the edge between two topologically equivalent magnetic lattices of different lattice constant when the system is driven with periodic modulation loops of an external magnetic field. The number of topologically protected particle edge transport modes is not determined by a bulk-boundary correspondence. Instead, we find a rich variety of edge transport modes that depend on the symmetry of both the edge and the modulation loop. The edge transport can be ratchet-like or adiabatic, time or non-time reversal symmetric. The topological nature of the edge transport is classified by a set of winding numbers around bulk fence points extended by winding numbers around edge specific bifurcation points that cannot be deduced from the two bulk lattices.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Professor Experimental Physics X > Professor Experimental Physics X - Univ.-Prof. Dr. Thomas Fischer
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 28 Sep 2020 06:49
Last Modified: 28 Sep 2020 06:49
URI: https://eref.uni-bayreuth.de/id/eprint/57455