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SR study of unconventional pairing symmetry in the quasi-1D NaCrAs superconductor
A Bhattacharyya, D T Adroja, Y Feng +4
We report the finding of a novel pairing state in a newly discovered superconductor NaCrAs. This material has a noncentrosymmetric quasi-one-dimensional crystal structu…
Spectroscopic evidence of multi-gap superconductivity in non-centrosymmetric AuBe
Soumya Datta, Aastha Vasdev, Partha Sarathi Rana +5
AuBe is a chiral, non-centrosymmetric superconductor with transition temperature 3.25 K. The broken inversion symmetry in its crystal structure makes AuBe a possible…
Enhanced electron-phonon coupling in doubly aligned hexagonal boron nitride bilayer graphene heterostructure
Manabendra Kuiri, Saurabh Kumar Srivastav, Sujay Ray +4
The relative twist angle in heterostructures of two-dimensional (2D) materials with similar lattice constants result in a dramatic alteration of the electronic properties. Here, we…
A hierarchy of multi-moment skyrmion phases in twisted magnetic bilayers
Sujay Ray, Tanmoy Das
The recent discovery of two-dimensional (2D) Van der Waals (VdW) magnets is a crucial turning point in the quantum magnet research field, since quantum fluctuations and experimenta…
Coexisting charge-ordered states with distinct driving mechanisms in monolayer VSe
Rebekah Chua, Jans Henke, Surabhi Saha +7
Thinning crystalline materials to two dimensions (2D) creates a rich playground for electronic phases, including charge, spin, superconducting, and topological order. Bulk material…
Rigidity of topological invariants to symmetry breakings
Arpit Raj, Nepal Banerjee, Tanmoy Das
Symmetry plays an important role in the topological band theory to remedy the eigenstates' gauge obstruction at the cost of a symmetry anomaly and zero-energy boundary modes. One c…