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ZHAO, XG; ZHAO, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
THE SUPPRESSION OF A BLOCH BAND IN A DRIVING LASER FIELD
Source PublicationJOURNAL OF PHYSICS-CONDENSED MATTER
KeywordElectric-field Gaas/alas Superlattices Dynamic Localization Stark Localization Oscillations Particle
AbstractThe dynamic effect of Bloch electrons in a spatial periodic system under the influence of a driving laser field is studied within the single-band approximation. A quasienergy band is obtained exactly for the case of long-range intersite interactions. It is found that the quasienergy band will be suppressed heavily by the laser field if the ratio of the Bloch frequency to the laser frequency is a root of the ordinary Bessel function of order zero. If only the nearest-neighbour intersite interaction is involved, the band suppression will tum into the band collapse proposed very recently. However, a numerical calculation of the band width shows that in comparison with the nearest-neighbour intersite interaction, the contribution of other intersite interactions to the quasienergy is not negligible. This may imply that the experimental observation of the dynamic effect will be that of band suppression rather than band collapse.
1994
ISSN0953-8984
Volume6Issue:14Pages:2751-2756
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/11930
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZHAO, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
ZHAO, XG,ZHAO, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.. THE SUPPRESSION OF A BLOCH BAND IN A DRIVING LASER FIELD[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,1994,6(14):2751-2756.
APA ZHAO, XG,&ZHAO, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA..(1994).THE SUPPRESSION OF A BLOCH BAND IN A DRIVING LASER FIELD.JOURNAL OF PHYSICS-CONDENSED MATTER,6(14),2751-2756.
MLA ZHAO, XG,et al."THE SUPPRESSION OF A BLOCH BAND IN A DRIVING LASER FIELD".JOURNAL OF PHYSICS-CONDENSED MATTER 6.14(1994):2751-2756.
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