Comment on "Surface Pair-Density-Wave Superconducting and Superfluid States"
arXiv:2007.13696 · doi:10.1103/PhysRevLett.126.179602
Abstract
The claim in Barkman et al [Physical Review Letters {\bf 122}, 165302 (2019)] that pair-density wave (PDW) superconductivity in magnetic field is more stable near surface than in bulk, is not supported by microscopic theory.
2 pages, 1 figure