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Title
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Electrophonon resonances in a quasi-two-dimensional electron system
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Author
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Abstract
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| When the energy difference between two electric subbands in a quasi-two-dimensional electron system equals a LO-phonon energy, resonant scattering will occur. This leads to an enhancement of the scattering rate and, consequently, to a suppression of the conductivity. Changing the energy difference between the electric subbands (e.g., through a gate) leads to a series of electrophonon resonances in the conductivity. A detailed study is made of this effect for different confinement potentials. We found that the scattering processes where the emission of a phonon is involved are very important for the electrophonon resonance and that the size of the effect decreases with increasing temperature. |
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Language
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English
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Source (journal)
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Physical review : B : condensed matter. - New York, N.Y., 1978 - 1997
Physical review : B : condensed matter and materials physics. - Lancaster, Pa, 1998 - 2015
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Publication
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New York, N.Y.
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1993
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ISSN
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0163-1829
[print]
1095-3795
[online]
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DOI
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10.1103/PHYSREVB.48.1562
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Volume/pages
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48
:3
(1993)
, p. 1562-1570
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ISI
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A1993LP05000024
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Full text (Publisher's DOI)
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Full text (open access)
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