Coherent Properties of a Magnetoexciton Condensate in a Hall Dielectric
Shear interferometry is used to study the coherent properties of a dense ensemble of triplet cyclotron magnetoexcitons in a quantum Hall dielectric near a filling factor of . Compared to the gas of uncondensed magnetoexcitons, the magnetoexciton condensate formed at fairly low temperatures by nonres...
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Published in | Bulletin of the Russian Academy of Sciences. Physics Vol. 86; no. 4; pp. 380 - 385 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
Moscow
Pleiades Publishing
01.04.2022
Springer Nature B.V |
Subjects | |
Online Access | Get full text |
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Summary: | Shear interferometry is used to study the coherent properties of a dense ensemble of triplet cyclotron magnetoexcitons in a quantum Hall dielectric near a filling factor of
. Compared to the gas of uncondensed magnetoexcitons, the magnetoexciton condensate formed at fairly low temperatures by nonresonant photoexcitation is found to have an increased degree of coherence. Its transverse coherence length reaches ~10 µm in order of magnitude. The fraction of the condensate can be as high as 20% of the total number of triplet magnetoexcitons. |
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ISSN: | 1062-8738 1934-9432 |
DOI: | 10.3103/S1062873822040104 |