| Autor: |
Walter Unglaub, A.F.J. Levi |
| Jazyk: |
angličtina |
| Rok vydání: |
2023 |
| Předmět: |
|
| Zdroj: |
Physics Open, Vol 17, Iss , Pp 100164- (2023) |
| Druh dokumentu: |
article |
| ISSN: |
2666-0326 |
| DOI: |
10.1016/j.physo.2023.100164 |
| Popis: |
Dispersion associated with the complex band structure of a periodic potential can be used to explain single-electron wave packet tunneling through a finite-sized tunnel barrier. The imaginary k-space dispersion in a tunnel barrier may be viewed as a filter that controls the arrival time, shape, and group velocity of a transmitted wave packet. This k-space filter can be designed to increase or decrease the group velocity of the transmitted pulse and a transmitted peak-pulse probability arrival time can be engineered to occur before or after that of an electron wave packet propagating in the absence of the tunnel barrier. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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