Theory of Valley Splitting in an N-Channel (100) Inversion Layer of Si. : III. Enhancement of Splittings by Many-Body Effects
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概要
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The enhancement of the valley and spin splittings in the presence of a high magneticfield in an o-channel (100) inversion layer of Si by a screened exchange interaction areinvestigated theoretically. The splittings are enhanced enough to be observed in theexperuments. The line shapes of the Schubnikov-de Haas oscillation are also calculated,and the results agree with the experiments including the appearance of cusps in the lineshapes. The many-body theory can not only explain the observed splittings but alsoconfirm the one-body theory of the valley splitting presented by the present authors.
- 社団法人日本物理学会の論文
- 1977-09-15
著者
-
OHKAWA Fusayoshi
Institute for Solid State Physics The University of Tokyo
-
Uemura Yasutada
Department Of Dynamics Faculty Of Engineering Tokyo University
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