Parametric amplification of topological interface states in synthetic andreev bands

HIGHLIGHTS

• who: Ismaël Septembre et al. from the Institut, SIGMA Clermont, Clermont-Ferrand, France Academic University have published the research work: Parametric amplification of topological interface states in synthetic Andreev bands, in the Journal: (JOURNAL) of 10/Dec/2020
• what: The authors show the existence of Andreev-like bound states between two driven superfluids.

SUMMARY

Topological invariants were successively used to characterize superfluid excitations (quantum vortices), solitons in polyacetylene, Landau levels, electronic Bloch bands in solids, and more generally energy bands in periodic media. A related concept is the bulk-boundary . . .

 



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