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Noncanonical Wannier-Stark ladders and surface state quantization in finite crystals subjected to a homogeneous electric field
Univ Uppsala, Dept Phys, S-75121 Uppsala, Sweden Linkoping Univ, IFM, Dept Phys, S-58183 Linkoping, Sweden Bogolyubov Inst Theoret Phys, UA-03143 Kiev, Ukraine.
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology.
2001 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, Vol. 63, no 23, art. no.-235410 p.Article in journal (Refereed) Published
Abstract [en]

In the one-particle single band approximation, which is the basis of the original Wannier result, commonly referred to as the Wannier-Stark ladder (WSL), we have extended the concept by predicting the existence of noncanonical WSLs which are a set of evenly spaced levels tin the middle of the tilted band) with noncanonical level spacing equal to the Plank constant times (1-2m'/m)(-1) times Bloch oscillation frequency. To observe a particular WSL, the certain voltage must be applied. The latter is related to the numbers rn = 3,4,... and m' = 1,2,...

Place, publisher, year, edition, pages
2001. Vol. 63, no 23, art. no.-235410 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-49213OAI: diva2:270109
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-13

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Malysheva, Liubov
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The Institute of TechnologyDepartment of Physics, Chemistry and Biology
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