设有谢孟媛初级文法 假设G[Z]: Z→Ab|Ba A→Za|a B→Zb|b 头一次求救。

Information Services Center (GES DISC) has developed an infrastructure with a Web interface that allows users to perform interactive analysis online without learning different formats and downloading any data, the GES-DISC Interactive Online Visualization and Analysis Infrastructure or "Giovanni. " We describe several operational Giovanni instances to serve TRMM users, Aerosol scientists, Ocean Color and Agriculture applications users. We also illustrate usability of Giovanni by providing several examples of analysis of atmosphere over Saint Petersburg area.
KeyphrasesElectric-field induced spin accumulation in the Landau level states of topologic
Title:Electric-field induced spin accumulation in the Landau level states of topological insulator thin films
Authors:; ; ;
Affiliation:AA(Computational Nanoelectronics and Nanodevices Laboratory, Electrical and Computer Engineering Department, National University of Singapore, Singapore, Singapore
56-937X), AB(Department of Physics, Ben-Gurion University, Beer Sheva 84105, Israel ), AC(Physics and Applied Mathematics Unit, Indian Statistical Institute, Kolkata 700108, India ), AD(Computational Nanoelectronics and Nanodevices Laboratory, Electrical and Computer Engineering Department, National University of Singapore, Singapore, Singapore )
Publication:Journal of Physics D: Applied Physics, Volume 50, Issue 32, article id. 17).
Publication Date:08/2017
Bibliographic Code:
A topological insulator (TI) thin film differs from the more typically
studied thick TI system in that the former has both a top and a bottom
surface where the states localized at both surfaces can couple to one
other across the finite thickness. An out-of-plane magnetic field leads
to the formation of discrete Landau level states in the system, whereas
an in-plane magnetization breaks the angular momentum symmetry of the
system. In this work, we study the spin accumulation induced by the
application of an in-plane electric field to the TI thin film system
where the Landau level states and inter-surface coupling are
simultaneously present. We show, via Kubo formula calculations, that the
in-plane spin accumulation perpendicular to the magnetization due to the
electric field vanishes for a TI thin film with symmetric top and bottom
surfaces. A finite in-plane spin accumulation perpendicular to both the
electric field and magnetization emerges upon applying either a
differential magnetization coupling or a potential difference between
the two film surfaces. This spin accumulation results from the breaking
of the antisymmetry of the spin accumulation around the k-space
equal-energy contours.
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Zerrin Bicik Bah?eba?i
Aytekin Al?elik
U?ur Korkmaz
Elif Oztürk
[01 Oct ):489-490]
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CitePeer Related ArticlesResearch Progress on Desert Plant of Reaumuria soongorica (Pall.) Maxim--《Resource Development & Market》2010年12期
Research Progress on Desert Plant of Reaumuria soongorica (Pall.) Maxim
WANG Zhi-bo,BA Guang-hui(School of Life Science and Chemistry,Tianshui Normal University,Tianshui 741000,China)
This paper reviewed the distributed area of desert plant Reaumuria soongorica(Pall.)Maxim and its habitats,anatomy,seed germination and factors,tissue culture,physiological and ecological characteristics,breeding and nursery,molecular biological characteristics and so on.It briefly described the necessity of restoring and reconstructing Reaumur.And it focused on factors affecting germination of Reaumuria soongorica(Pall.)Maxim seed and the current situation of nursery technology.According to these,this paper presented a deficiency about the current study of Reaumuria soongorica(Pall.)Maxim,for example which was that the current study didn′t completely.Some advice about next research were proposed.
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