Journal Article

FZJ-2025-04324

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Distributed Current Injection into a One-Dimensional Ballistic Edge Channel

Moors, K. (Corresponding author)FZJ* ; Wagner, C.FZJ* ; Soltner, H.FZJ* ; Lüpke, F.FZJ* ; Tautz, F. S. (Corresponding author)FZJ* ; Voigtländer, B.FZJ*

2025
APS College Park, Md.

This record in other databases:  

Please use a persistent id in citations: doi:10.1103/l47r-plxq  doi:10.34734/FZJ-2025-04324

Abstract: We generalize Landauer’s theory of ballistic transport in a one-dimensional (1D) conductor to situations where charge carrier injection and extraction are not any more confined to electrodes at either end of the channel, but may occur along its whole length. This type of distributed injection is expected to occur from the two-dimensional (2D) bulk of, e.g., a quantum spin (or anomalous) Hall insulator to its topologically protected edge states. We apply our conceptual solution to the case of two metal electrodes contacting the 2D bulk, enabling us to derive criteria that discriminate ballistic from resistive edge channels in multiterminal transport experiments.

---

Contributing Institute(s):

1. Quantum Nanoscience (PGI-3)
2. Halbleiter-Nanoelektronik (PGI-9)

Research Program(s):

1. 5213 - Quantum Nanoscience (POF4-521) (POF4-521)
2. DFG project G:(GEPRIS)458555100 - Vier-Spitzen Rastertunnelmikroskop für 100 mK im Ultrahochvakuum (458555100) (458555100)
3. CM3 - Controlled Mechanical Manipulation of Molecules (757634) (757634)
4. DFG project G:(GEPRIS)443416235 - 1D topologische Supraleitung und Majorana Zustände in van der Waals Heterostrukturen charakterisiert durch Rastersondenmikroskopie (443416235) (443416235)
5. DFG project G:(GEPRIS)511561801 - Manipulierung von 2D Supraleitung und Majorana Zuständen auf der Nanoskala (511561801) (511561801)
6. SFB 1083 A12 - Struktur und Anregungen von hetero-epitaktischen Schichtsystemen aus schwach wechselwirkenden 2D-Materialien und molekularen Schichten (A12) (385975694) (385975694)
7. DFG project G:(GEPRIS)491798118 - Magnetische topologische Isolatoren für robuste Majorana Zustände (491798118) (491798118)

Appears in the scientific report 2025

---

Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Electronics and Telecommunications Collection ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; Essential Science Indicators ; Nationallizenz ; SCOAP3 sponsored Journal ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

---