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28 March 2024 |
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Article overview
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Anomalous spatial shifts in interface electronic scattering | Zhi-Ming Yu
; Ying Liu
; Shengyuan A. Yang
; | Date: |
2 Jan 2019 | Abstract: | The anomalous spatial shifts at interface scattering, first studied in
geometric optics, recently found their counterparts in the electronic context.
It was shown that both longitudinal and transverse shifts, analogous to the
Goos-Hanchen and Imbert-Fedorov effects in optics, can exist when electrons are
scattered at a junction interface. More interestingly, the shifts are also
discovered in the process of Andreev reflection at a normal/superconductor
interface. Particularly, for the case with unconventional superconductors, it
was discovered that the transverse shift can arise solely from the
superconducting pair potential and exhibit characteristic features depending on
the pairing. Here, we briefly review the recent works in this field, with an
emphasis on the physical picture and theoretical understanding. | Source: | arXiv, 1901.0294 | Services: | Forum | Review | PDF | Favorites |
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