Optical branch of magnetophonons in a double-layer Wigner crystal

Falko, Vladimir (1994) Optical branch of magnetophonons in a double-layer Wigner crystal. Physical review B, 49 (11). pp. 7774-7777. ISSN 0163-1829

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Abstract

The Wigner crystal of electrons in a couple of two-dimensional layers in semiconductor structures is shown to form a two-component lattice and to possess a specific excitation, namely, an optical phonon mode. The calculated frequencies of optical magnetophonons in the magnetically frozen double-layer Wigner crystal demonstrate exponential dependence on the interlayer spacing and electronic density, and we guess that their observation can give a direct indication of the crystalline ordering in the magnetic freeze-out regime.

Item Type:
Journal Article
Journal or Publication Title:
Physical review B
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
ID Code:
57082
Deposited By:
Deposited On:
01 Oct 2012 10:26
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 08:04