Superfluid weight cross-over and critical temperature enhancement in singular flat bands
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DOI: 10.1073/pnas.2416726122
Abstract: Significance The threshold for free vortex formation in a two-dimensional superconductor limits the temperatures below which the supercurrent flows without dissipation. Here, it is shown that an essential singularity in an electron’s wave function results… read more here.
Keywords: temperature enhancement; weight cross; superfluid weight; geometry ... See more keywords