Bloch oscillations and Wannier-Stark localization in semiconductor superlattices
Fausto Rossi, (INFM, Dipartimento di Fisica, Univ. of Modena,, Italy)
TL;DR
This paper reviews the quantum-mechanical phenomena of Bloch oscillations and Wannier-Stark localization in semiconductor superlattices, comparing theoretical simulations with experimental results to understand ultrafast energy relaxation and transport.
Contribution
It provides a comprehensive review of the theoretical analysis and experimental comparisons of Bloch oscillations and Wannier-Stark localization in semiconductor superlattices.
Findings
Agreement between simulated and experimental results
Insights into ultrafast energy relaxation mechanisms
Clarification of quantum-mechanical pictures of localization phenomena
Abstract
The theoretical analysis of the ultrafast energy relaxation and transport phenomena in semiconductor superlattices is reviewed. In particular, we discuss the two equivalent quantum-mechanical pictures of Bloch oscillations and Wannier-Stark localization. A review of simulated experiments and their comparison with available experimental investigations is also provided.
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Taxonomy
TopicsQuantum and electron transport phenomena · Semiconductor Quantum Structures and Devices · Cold Atom Physics and Bose-Einstein Condensates