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What is Superfluidity in Nontrivial Flat Bands about?

This article discusses superfluidity in topologically nontrivial flat bands, highlighting the role of the Chern number in determining the superfluid weight. It establishes that a flat band can carry a finite superfluid current if the Chern number is nonzero, providing a theoretical framework applicable to multiband superconductors. The findings suggest that topologically nontrivial flat bands could enhance the critical temperature for superconductivity, with potential experimental verification in ultracold

Author

Luis Cardenas

Language

EN