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- URN zum Zitieren dieses Dokuments:
- urn:nbn:de:bvb:355-epub-585474
- DOI zum Zitieren dieses Dokuments:
- 10.5283/epub.58547
Zusammenfassung
We report on the observation of the circular ratchet effect excited by terahertz laser radiation in a specially designed two-dimensional metamaterial consisting of a graphene monolayer deposited on a few-layer graphene gate patterned with an array of triangular antidots. We show that a periodically driven Dirac fermion system with spatial asymmetry converts the a.c. power into a d.c. current, ...
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