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题名: THE SUPPRESSION OF A BLOCH BAND IN A DRIVING LASER FIELD
作者: ZHAO, XG
刊名: JOURNAL OF PHYSICS-CONDENSED MATTER
出版日期: 1994
卷号: 6, 期号:14, 页码:2751-2756
关键词: ELECTRIC-FIELD ;  GAAS/ALAS SUPERLATTICES ;  DYNAMIC LOCALIZATION ;  STARK LOCALIZATION ;  OSCILLATIONS ;  PARTICLE
学科分类: Physics
通讯作者: ZHAO, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
部门归属: ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
英文摘要: The 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.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11930
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
ZHAO, XG. THE SUPPRESSION OF A BLOCH BAND IN A DRIVING LASER FIELD[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,1994,6(14):2751-2756.
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