Prokudina, M. G. ; Khrapai, V. S. ; Ludwig, S. 
; Kotthaus, J. P. ; Tranitz, H. P. ; Wegscheider, W.
Alternative Links zum Volltext:DOIVerlag
| Dokumentenart: | Artikel |
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| Titel eines Journals oder einer Zeitschrift: | Physical Review B |
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| Verlag: | AMER PHYSICAL SOC |
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| Ort der Veröffentlichung: | COLLEGE PK |
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| Band: | 82 |
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| Nummer des Zeitschriftenheftes oder des Kapitels: | 20 |
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| Datum: | 2010 |
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| Institutionen: | Physik > Institut für Experimentelle und Angewandte Physik |
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| Identifikationsnummer: | | Wert | Typ |
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| 10.1103/PhysRevB.82.201310 | DOI |
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| Stichwörter / Keywords: | COULOMB DRAG; ELECTRON-GAS; SYSTEMS; |
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| Dewey-Dezimal-Klassifikation: | 500 Naturwissenschaften und Mathematik > 530 Physik |
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| Status: | Veröffentlicht |
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| Begutachtet: | Ja, diese Version wurde begutachtet |
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| An der Universität Regensburg entstanden: | Ja |
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| Dokumenten-ID: | 65575 |
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Zusammenfassung
We explore the acoustic-phonon-based interaction between two neighboring coplanar circuits containing semiconductor quantum point contacts in a perpendicular magnetic field B. In a drag-type experiment, a current flowing in one of the circuits (unbiased) is measured in response to an external current in the other. In moderate B the sign of the induced current is determined solely by the polarity ...
Zusammenfassung
We explore the acoustic-phonon-based interaction between two neighboring coplanar circuits containing semiconductor quantum point contacts in a perpendicular magnetic field B. In a drag-type experiment, a current flowing in one of the circuits (unbiased) is measured in response to an external current in the other. In moderate B the sign of the induced current is determined solely by the polarity of B. This indicates that the spatial regions where the phonon emission/reabsorption is efficient are controlled by magnetic field. The results are interpreted in terms of nonequilibrium transport via skipping orbits in a two-dimensional electron system.
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