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Nanoscale Mach-Zehnder interferometer with spin-resolved quantum Hall edge states

Biswajit Karmakar, Davide Venturelli

2015enquantuminterferometerspin-resolvedHallstates

Abstract

Language:

We realize a nanoscale-area Mach-Zehnder interferometer with co-propagating quantum Hall spin-resolved edge states and demonstrate the persistence of gate-controlled quantum interference oscillations, as a function of an applied magnetic field, at relatively large temperatures. Arrays of top-gate magnetic nanofingers are used to induce a resonant charge transfer between the pair of spin-resolved edge states. To account for the pattern of oscillations measured as a function of magnetic field and gate voltage, we have developed a simple theoretical model which satisfactorily reproduces the data.

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Cite This Work

@article{9067cf5c-73ab-450d-83da-252592f2c7a5,
  title={Nanoscale Mach-Zehnder interferometer with spin-resolved quantum Hall edge states},
  author={Biswajit Karmakar and Davide Venturelli},
  year={2015},
  language={en}
}
TY  - JOUR
TI  - Nanoscale Mach-Zehnder interferometer with spin-resolved quantum Hall edge states
AU  - Biswajit Karmakar
AU  - Davide Venturelli
PY  - 2015
LA  - en
ER  -

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